Gentleman Hall

LAS VEGAS, NV – MAY 22: Musician Jacob Michael of the band Gentlemen Hall performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Rihanna

LAS VEGAS, NV – MAY 22: Singer Rihanna accepts the Female Artist of the Year award from musician Justin Bieber onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

U2

LAS VEGAS, NV – MAY 22: Musicians The Edge, Bono, Larry Mullen Jr. and Adam Clayton of the band U2 accept the Touring Top Artist Award onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Kesha

LAS VEGAS, NV – MAY 22: Singer Kesha performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Far East Movement

LAS VEGAS, NV – MAY 22: Kev Nish of Far East Movement performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Travis Barker

LAS VEGAS, NV – MAY 22: Musician Travis Barker performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Taio Cruz

LAS VEGAS, NV – MAY 22: Singer Taio Cruz perfroms onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Keith Urban

LAS VEGAS, NV – MAY 22: Musician Keith Urban performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Lil Wayne

LAS VEGAS, NV – MAY 22: Rapper Lil Wayne performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Joe Jonas

LAS VEGAS, NV – MAY 22: Musician Joe Jonas speaks onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Lady Antebellum

LAS VEGAS, NV – MAY 22: Musicians Hillary Scott and Charles Kelley of the band Lady Antebellum perform onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Cee Lo Green

LAS VEGAS, NV – MAY 22: Musician Cee Lo Green performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Matthew Morrison and Taylor Swift

LAS VEGAS, NV – MAY 22: Actor/singer Matthew Morrison (L) presents the Billboard 200 Album Artist of the Year award to singer Taylor Swift onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Trey Songz and Kelly Rowland

LAS VEGAS, NV – MAY 22: Singers Trey Songz and Kelly Rowland onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Beyonce

LAS VEGAS, NV – MAY 22: Singer Beyonce performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Tim Allen

LAS VEGAS, NV – MAY 22: Actor Tim Allen speaks onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Patrick Monahan

LAS VEGAS, NV – MAY 22: Musician Patrick Monahan speaks onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Bret Michaels

LAS VEGAS, NV – MAY 22: Musician Bret Michaels speaks onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Fergie

LAS VEGAS, NV – MAY 22: Singer Fergie of Black Eyed Peas performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

NeYo and Pitbull

LAS VEGAS, NV – MAY 22: Singer Ne-Yo and rapper Pitbull perform onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Randy Jackson

LAS VEGAS, NV – MAY 22: TV Perosnality Randy Jackson speaks onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Taboo

LAS VEGAS, NV – MAY 22: Singer Taboo of Black Eyed Peas performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Ken Jeong

LAS VEGAS, NV – MAY 22: Host Ken Jeong speaks onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Mary J Blige

LAS VEGAS, NV – MAY 22: Singer Mary J. Blige (L) and rapper Lil Wayne perform onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Justin Bieber

LAS VEGAS, NV – MAY 22: Singer Justin Bieber accepts the Digital Artist of the Year award onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

OneRepublic

LAS VEGAS, NV – MAY 22: Singer Ryan Tedder of the band OneRepublic performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)Thimbnails Show/Hide41 of 55

Rico Rodriguez and Selena Gomez

LAS VEGAS, NV – MAY 22: Actor Rico Rodriguez and actress/singer Selena Gomez speak onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Eric Stonestreet

LAS VEGAS, NV – MAY 22: Host Ken Jeong (L) and actor Eric Stonestreet speak onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Snoop Dogg

LAS VEGAS, NV – MAY 22: Kev Nish of Far East Movement performs with rapper Snoop Dogg onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Black Eyed Peas

LAS VEGAS, NV – MAY 22: Singers Taboo, Fergie, will.i.am, and apl de ap of Black Eyed Peas perform onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

Nas

LAS VEGAS, NV – MAY 22: Rapper Nas and host Ken Jeong onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)