Multiple nominees Nas and Ashanti are the latest artists to be announced as performers for the 19th annual MTV Video Music Awards on August 29.

Avril Lavigne, Enrique Iglesias, Kylie Minogue, Johnny Knoxville and "American Idol" judges Simon Cowell, Paula Abdul and Randy Jackson as well as the show's final two contenders have been added to the list of presenters (click here for photos of this year's VMA lineup).

Previously announced talent includes Eminem, P. Diddy, Bruce Springsteen and the E Street Band, Pink and Shakira at center stage, and Britney Spears, Nelly, B2K and Bow Wow at the podium (see "P. Diddy, Shakira, Britney, Nelly Lined Up For VMAs").

"Saturday Night Live" comedian Jimmy Fallon will host the show, which will be broadcast from Radio City Music Hall in New York at 8 p.m.

Nas is competing for two Video Music Awards, including Best Video of the Year and Best Rap Video for "One Mic." (Click for the complete list of nominees.)

Ashanti's "Foolish" is nominated in the Best Female Video, Best R&B Video and Best New Artist in a Video categories. Her collaborations with Ja Rule and Fat Joe are also nominated (see ).