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People gather before the "12-12-12" benefit concert at Madison Square Garden in New York Wednesday, Dec. 12, 2012.
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Katie Holmes attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Steven Van Zandt attends "12-12-12," a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on December 12, 2012, in New York.
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Blake Lively attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Model Chanel Iman attends "12-12-12" -- a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Sean John Combs attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Tony Danza attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Actress Susan Sarandon appears backstage at "12-12-12" The Concert for Sandy Relief, on Dec. 12, 2012, in New York.
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Models Karlie Kloss, left, and Joan Smalls attend the Sandy relief concert on Dec. 12, 2012, in New York.
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Bobby Moynihan and Seth Meyers attend "12-12-12" at Madison Square Garden on Dec. 12, 2012, in New York.
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Billy Crystal attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Nancy Fallon and Jimmy Fallon attend "12-12-12" on Dec. 12, 2012, in New York.
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Olivia Wilde and Sean John Combs attend "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Chelsea Clinton attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Gina Gershon attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Olivia Wilde attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Jeremy Piven attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Actress Zosia Mamet attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Alexis Welch, left, and NBA player Amare Stoudemire attend "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Jesse Jackson attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Martha Stewart attends "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Bruce Springsteen performs at "12-12-12" -- a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Musicians Bruce Springsteen, left, and Jon Bon Jovi perform at "12-12-12" on Dec. 12, 2012, in New York.
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Roger Waters performs during '12-12-12 ~ The Concert For Sandy Relief' December 12, 2012, at Madison Square Garden in New York.
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Eddie Vedder performs during '12-12-12 ~ The Concert For Sandy Relief' December 12, 2012, at Madison Square Garden in New York.
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Adam Sandler performs during '12-12-12 ~ The Concert For Sandy Relief' December 12, 2012, at Madison Square Garden in New York.
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Actress Kristen Stewart speaks onstage at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Jon Bon Jovi performs during '12-12-12 ~ The Concert For Sandy Relief' December 12, 2012, at Madison Square Garden in New York.
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Chelsea Clinton speaks at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Eric Clapton performs during '12-12-12 ~ The Concert For Sandy Relief' December 12, 2012 at Madison Square Garden in New York.
Larry Busacca
Roger Daltrey, left, and Pete Townshend of The Who perform at "12-12-12" on Dec. 12, 2012, in New York.
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Mick Jagger of The Rolling Stones performs during '12-12-12 The Concert For Sandy Relief' December 12, 2012, at Madison Square Garden in New York.
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Keith Richards of The Rolling Stones performs during '12-12-12 The Concert For Sandy Relief' December 12, 2012, at Madison Square Garden in New York.
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Billy Joel performs at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012 in New York.
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Dave Grohl performs at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Jimmy Fallon speaks onstage at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
Larry Busacca
Sir Paul McCartney performs at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Chris Martin, left, and Michael Stipe perform at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy at Madison Square Garden on Dec. 12, 2012, in New York.
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Rapper Kanye West performs at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy on December 12, 2012, in New York.
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Gov. Chris J. Christie attends "12-12-12," a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy on Dec. 12, 2012, in New York.
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Stephen Colbert speaks onstage at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Actor Chris Rock speaks onstage at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Jon Stewart speaks onstage at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Blake Lively speaks onstage at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Bobby Moynihan, Seth Meyers speak onstage at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.
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Quentin Tarantino, Jamie Foxx, and Christoph Waltz speak onstage at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on Dec. 12, 2012, in New York.