With big businesses like LVMH and Samsung for back-up, the South Korean music impresario who unleashed rapper Psy on the world in 2012 is laying plans to crack China's fashion and entertainment market - K-Pop style.

Host Tracy Morgan and Psy entertained the crowd when they engaged in a dance-off Sunday at the 2013 Billboard Music Awards at the MGM Grand Arena in Las Vegas.Morgan appeared onstage in a yellow suit, black hat and sunglasses and got Psy to participate in a spontaneous dance duet before Morgan introduced Chris Brown, who performed his track Fine China.

Some viewers who watched Mariah Carey sing her medley of her biggest hits during last night's American Idol series finale wondered if Carey lip-synced her performance. Her voice at times reportedly failed to match the audio the audience was hearing.Carey stepped onto the "American Idol" stage in shortly after Candice Glover was crowned the next "Idol."

Candice Glover was crowned the winner of American Idol Season 12 Thursday night at the end of a two-hour telecast that featured performances by Psy, Mariah Carey, Jennifer Lopez and Jennifer Hudson.