Wednesday - Madonna hosts a gala - totally underwritten by the new Gucci store in Trump Tower - on the lawn of the UN to benefit UNICEF and her Raising Malawi charity. Madge's guest list includes Jennifer Lopez and Marc Anthony, Sean Combs, Lenny Kravitz, Demi Moore and Ashton Kutcher, Lindsay Lohan, Drew Barrymore, Gwyneth Paltrow, Alex Rodriguez, Martha Stewart and Uma Thurman, with Alicia Keys and Rhianna performing.