Turned Choreographer News Today

World stage from p. diddy and ben affleck to mark anthony. the lucky guy in jennifers life today is beau casper smart, former backup dancer turned choreographer. >> he can help to choreograph the show. >> he has. he has a lot of his choreography in the show. ♪ >> reporter: this is one of her latest hits, "i luh ya papi." >> reporter: j-lo is known for the dance moves and back in the bronx, she is on a personal mission, joining the fight against childhood obesity. >> the bronx rates dead last i...