Bruce Springsteen performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Bruce Springsteen performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. AFP PHOTO / Timothy A CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Bruce Springsteen performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Bruce Springsteen performs along with The Edge and Larry Mullen Jr. and Adam Clayton of U2 during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Bruce Springsteen performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Bruce Springsteen performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child.(Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Bruce Springsteen performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. AFP PHOTO / Timothy A CLARY (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Bruce Springsteen performs along with The Edge and Larry Mullen Jr. and Adam Clayton of U2 during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
World AIDS Day (RED) Concert
Kanye West performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Kayne West performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
World AIDS Day (RED) Concert
Kanye West performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
World AIDS Day (RED) Concert
Kanye West performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
World AIDS Day (RED) Concert
Kanye West performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Kayne West performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Rapper Kanye West performs on World AIDS Day at 'A (RED) Thank You,' presented by (Bank of America)RED on December 1, 2014 in New York City. (Photo by Slaven Vlasic/Getty Images for (RED))
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Kanye West performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Kanye West performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Kanye West performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
(L-R) The Edge, Larry Mullen Jr., Bruce Springsteen, Carrie Underwood, Kayne West, Coldplays Chris Martin and Adam Clayton of U2 greet the audience during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
(L-R) The Edge, Larry Mullen Jr., Bruce Springsteen, Carrie Underwood, Kayne West, Coldplays Chris Martin and Adam Clayton of U2 greet the audience during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
(L-R) The Edge, Larry Mullen Jr., Bruce Springsteen, Carrie Underwood, Kayne West, Coldplays Chris Martin and Adam Clayton of U2 greet the audience during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
(L-R) The Edge, Larry Mullen Jr., Bruce Springsteen, Carrie Underwood, Kayne West, Coldplays Chris Martin and Adam Clayton of U2 greet the audience during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
The Edge of U2 (L) hugs Former US President Bill Clinton during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Former US President Bill Clinton addresses the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Former US President Bill Clinton addresses the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
The Edge, Larry Mullen Jr. of U2 and Coldplays Chris Martin perform during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Coldplays Chris Martin performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Coldplay's Chris Martin performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Carrie Underwood performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. AFP PHOTO / Timothy A CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Carrie Underwood performs during the World AIDS Day (RED) concert in Times Square in New York on December 1, 2014. RED is an organization that aims to prevent HIV transmission from mother to child. AFP PHOTO / Timothy A CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
Times Square Goes (Red) with a Surprise World AIDS Day Concert
Singer-songwriter Chris Martin of Coldplay performs on World AIDS Day at 'A (RED) Thank You,' presented by (Bank of America)RED on December 1, 2014 in New York City. (Photo by Slaven Vlasic/Getty Images for (RED)
