Jennifer Lopez shakes leg with `American Idol` contestant

`American Idol` judge Jennifer Lopez slow danced with a contestant on the show. The 44-year-old singer, who is back on the upcoming 14th season of the singing reality show, was asked by a young male contestant to shake a leg with him, as seen in a video clip released online.

Lady Gaga danced on bleeding feet

Gaga proved she is prepared to suffer for music as she danced on bleeding feet.