MTV VMA Preview: Katy Perry, Adele Battle for Moonmen, Lady Gaga to Perform

Chris Brown, Beyonce and Bruno Mars will also take the stage at Sunday’s event.

The 2011 MTV Video Music Awards will take place this Sunday in Los Angeles. With less than 24 hours to go until the big show, here are some of the big performances, sneak previews and big battles for the coveted Moonman to keep an eye out for during the telecast.

Battles for the Moonman

Katy Perry, Adele and Kanye West lead with the most nominations this year. Perry leads with nine noms, while Adele and West both took seven.

PHOTOS: MTV Video Music Awards 2011: The Nominees

One of the biggest matchups will be Perry vs. Adele, who are both nominated for video of the year. Perry’s "Firework" will also go against Adele's "Rolling in the Deep" from her 21 album in six other categories.

Also competing with Perry and Adele for Video of the Year are Bruno Mars for "Grenade,"
Beastie Boys for "Make Some Noise" and Tyler, The Creator for "Yonkers."

Best Female Video is a stacked category, with Perry and Adele competing against Lady Gaga, Beyonce and Nicki Minaj.

Kanye West will go up against Cee Lo Green, Bruno Mars, Eminem and Justin Bieber for Best Male Video.

Performances to Watch

The MTV VMA are watched by many purely for the performances. Every year, a handful of stellar acts elevate the show to a new level with passionate performances, wacky sets or explosive remixes.

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Lady Gaga will open the show with a number that she promises will surprise and delight. She’s been secretive about what it will involve, but she’s dropped clues that it has something to do with “fearlessness” and something may come down from the ceiling.

Chris Brown, who gave a memorable performance at the 2007 VMAs, will return to perform this year. His choreographers have said that his number this year will be dance-heavy and “something he has never done before.”

PHOTOS: MTV VMAs Greatest Feuds

Lil Wayne will perform, and has announced that his new album, Tha Carter IV, releasing his next album digitally at midnight after the show.

Adele, Pit Bull and Beyonce will also perform

Tributes for Britney Spears and Amy Winehouse

This year’s show will feature two tributes, one for Amy Winehouse, who died in London earlier this year, and one for Britney Spears. Tony Bennett is confirmed to be performing in the Amy Winehouse tribute. He will unveil never-before-seen footage from his recording session with the late songstress.

STORY: VMAs Executive Producer on Lady Gaga, Chris Brown and Having a No-Host Show

As for the tribute for Britney Spears, it’s mostly a mystery, but will include “everything from her choreography to her fashion” according to VMA executive producer Amy Doyle.

Hungering for The Hunger Games Preview

MTV has had several promos teasing the teaser for The Hunger Games, which will premiere during the telecast on Sunday. Jennifer Lawrence, who stars as Katniss in the anticipated big-screen adaptation of Suzanne Collins' books, will introduce the highly anticipated clip.