Madonna's Big Bash

Drew Barrymore, dressed in a black and yellow Gucci, hugs actor Justin Long at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008.

A playful Tom Cruise and Katie Holmes arrive at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. Holmes stepped out in a sculpted red dress by Alexander McQueen. "It was an extraordinary evening. The whole evening was quite moving," Cruise said.

Jennifer Lopez and Marc Anthony arrive at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. Guests included Salma Hayek; Demi Moore and Ashton Kutcher; Baby Phat designer Kimora Lee and her boyfriend, supporting actor Oscar nominee Djimon Hounsou; Dylan McDermott; Gwen Stefani and Gavin Rossdale; and Billy Joel and Katie Lee Joel.

Madonna looks lovingly at her daughter, Lourdes Leon, at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. Madonna and husband Guy Ritchie adopted a Malawian boy, David, in 2006. Raising Malawi, focuses on ending poverty in the third-world nation that has been ravished by the AIDS epidemic.

Ashton and Demi — AP Photo/Evan Agostini

Ashton Kutcher and Demi Moore arrive at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. The event -- a reception, dinner and auction -- raised $3.7 million at a star-studded benefit at the U.N. to help poor and sick children around the world.

Gavin Rossdale and Gwen Stefani arrive at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. The couple recently announced that they are expecting their second child.

Amy Adams arrives at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. The $2,500-a-plate dinner and live auction hosted by Chris Rock was an unusual blend of charity and commercial promotion for the U.N., which never before granted permission to a company (Gucci) to erect tents on the north lawn of the U.N. for such a lavish event with a commercial tie-in.

Rihanna arrives at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. Rihanna, Timbaland and Alicia Keys performed following a dinner that cost from $2,500 to $10,000 to attend.

Madonna throws a kiss to photographers at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. The priciest auction item was a $600,000 winning bid to tour with Madonna and take a dance class with her and Gwyneth Paltrow.

Salma Hayek arrives at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. The event raised nearly $4 million for the charity. A trip to Paris with a tour of a vineyard and lunch with Hayek and her husband, Francois-Henri Pinault, went for $120,000.

Jennifer Lopez waves as she arrives at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. Lopez says she is enjoying her pregnancy calling it "pure bliss," but was mum when asked if she was expecting twins.

Brooke Shields arrives at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. Gucci, which paid the costs for the benefit, pegged the event to the Friday opening of its Manhattan flagship store on Fifth Avenue and put its logo and UNICEF's behind the walkway where celebrities were photographed.

Debra Messing arrives at "A Night to Benefit Raising Malawi and UNICEF" hosted by Madonna, at United Nations headquarters, Wednesday, Feb. 6, 2008. "I used to dance to "Lucky Star" in my bedroom," she said. "I remember trying to learn the dances from Madonna's first videos. Leg cross, leg cross - I thought I was going to be Madonna II."

Ellen Pompeo arrives at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008. Many of the celebrities who came out to support Madonna's pet project came were in town for new York Fashion Week.

New York Yankee baseball player Alex Rodriguez arrives at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Wednesday, Feb. 6, 2008 in New York. At the auction, a lucky bidder paid $350,00 for a sports package that included hanging out at Yankee Stadium with Rodriguez and a private hour playing soccer with David Beckham.