Phelps, Cyrus, Among VMA Presenters

Star-Studded Line-Up Also Includes Lindsay Lohan, High School Musical Cast 3, Ciara & Twilight Cast

(CBS)  Olympic swimming champ Michael Phelps is making his rounds - and not by doing laps in the swimming pool, but by offering his presenter skills to the 2008 MTV Video Music Awards.

Phleps will dive into a star-studded line-up of VMA' presenters, which includes Miley Cyrus, Lindsay Lohan, Scarlett Johannson, Ciara, Zac Efron, Vanessa Hudgens, Ashley Tisdale, Corbin Bleu, Kristen Stewart, Robert Pattinson, Taylor Lautner and Christopher Mintz-Plasse.

The night wouldn't' be complete without a great musical soundtrack and in true MTV style, DJ AM and Travis Barker will spin the tunes, mix the drum beats and collaborate with Katy Perry, T-Pain, Lupe Fiasco, The Ting Tings & More while paying tribute to the VMA'S 25th anniversary.

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Photos: MTV Video Music Awards

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This year's performers include Rihanna, Pink, T.I., Kid Rock, Paramore, Lil Wayne and the Jonas Brothers. Additional presenters and performers may be added at a later date.

As VMA host, comedian/actor Russell Brand will be keeping the crowd laughing. Last year, Sarah Silverman's comments about pop diva Britney Spears come-back appearance were harsh, but they were memorable.

The VMA wouldn't be complete without acknowledging its fans.

By joining, "Do Good. Go to the VMAs," Think.MTV.com, MTV's online community for youth activism will send a youth activist to Los Angeles to attend the 2008 MTV Video Music Awards.

From July 24 through Aug. 22, all Think.MTV.com members who join the "Do Good. Go to the VMAs" can enter to win two tickets to the VMAS along with travel and hotel accommodations to Los Angeles Paramount Pictures Studios.

MTV's 25th Annual Video Music Awards will air on Sunday, September 7, 2008 at 9p.m.