J. Lo, Hilary, Gwyneth, Nelly, Christina, Alicia, Will Smith To Appear At VMAs

Stars join Usher, Kanye West, Hoobastank, Jessica and Ashlee Simpson, P. Diddy, Ludacris and Jon Stewart.

The ever-expanding list of MTV Video Music Awards presenters just loosened its belt another notch.

Jennifer Lopez, Hilary Duff, Gwyneth Paltrow, Jimmy Fallon and Will Smith have been confirmed to hit the stage as presenters at the 2004 VMAs.

Nelly, Christina Aguilera and Alicia Keys have also been added to the list of performers for the show, set for Miami's American Airlines Arena on August 29. The three new additions will join Usher, Kanye West, Yellowcard, Lil Jon, Jet, Petey Pablo, Hoobastank, Jessica Simpson, Ying Yang Twins and Terror Squad featuring Fat Joe.

The presenters, meanwhile, will join P. Diddy, Paris Hilton, Lenny Kravitz, Tony Hawk, Ludacris, Ashlee Simpson, LL Cool J and Jon Stewart.

Nelly and Christina (who is nominated for two VMAs) are slated to perform "Tilt'cha Head Back," from one of Nelly's two forthcoming albums, Sweat. Alicia Keys, who has been nominated for three VMAs, will perform her hit "If I Ain't Got You," from her most recent release, The Diary of Alicia Keys.

Jay-Z leads this year's nominees with six nominations for his "99 Problems" clip, including Best Video of the Year, Best Male Video and Best Rap Video. Beyoncé, No Doubt, Usher and Outkast follow closely behind with five nominations each, while Britney Spears, Kanye West, Steriogram, the White Stripes and the Yeah Yeah Yeahs each have four nominations.