Adele wins 12 Billboard awards Bieber also sang his new track Boyfriend accompanied by dancers dressed as clowns and neon geisha girls. Other performers included Kelly Clarkson, The Wanted, Carly Rae Jepsen, Usher, Carrie Underwood, Linkin Park and Nelly Furtado. Swift was named Billboard woman of the year and picked up the award from New Girl TV star Zooey Deschanel and veteran country singer and songwriter Kris Kristofferson. Bieber, 18, picked up the award for the most social artist, thanking his 22 million Twitter followers and 43 million Facebook fans, saying "the internet is where I got my start." LMFAO kicked off the show with an energetic medley of their hits "Party Rock Anthem" and "Sexy And I Know It." They were followed later by a shirtless Chris Brown performing his dance single "Turn Up The Music" with BMX bikers doing stunts. Perry, clad in a white dress, hung above the stage in a swing to sing her latest "personal and intimate" heartbreak single Wide Awake. Veteran soul singer Stevie Wonder, 62, was honoured with the Icon award this year and sang "Higher Ground" and "Overjoyed" with R&B singer Alicia Keys, wrapping the set with his hit song "Superstition."