Rihanna did her best impression of Madonna at last night's Billboard Awards, nailing Britney Spears right on the kisser after a performance of her anthem "S&M.
You call that a kiss? 
Among the luminaries saluting the first lady of R&B Beyonce are: Michelle Obama; singing legend Barbra Streisand; pop star Lady Gaga; U2 frontman Bono; and the incomparable Stevie Wonder.Along with Beyonce's big moment, the 2011 Billboard Music Awards will feature performances from the Black Eyed Peas, Rihanna, Keith Urban, Taio Cruz, Cee Lo Green, Lady Antebellum, Nicki Minaj, Ke$ha, Far*East Movement, Pitbull, Mary J. Blige with Lil Wayne, OneRepublic, and a special performance by Neil Diamond.
Justin Bieber, Selena Gomez, Kylie Minogue, Trey Songz, Scott Weiland, and Taylor Swift will be among the presenters at the ceremo
TOP ARTIST:
Justin Bieber, Eminem, Lady GaGa, Taylor Swift, Rihanna
TOP HOT 100 SONG:
My World 2.0 -Justin Bieber, The Gift- Susan Boyle, Recovery-Eminem, Need You Now-Lady Antebellum, Speak Now-Taylor Swift
TOP NEW ARTIST:
Justin Bieber-Taio Cruz-Ke$ha-Bruno Mars-Nicki Minaj
