What music video has girls start off Dancing in the locker rooms with the rumor that a famous singer…?

I am looking for a music video with a male singer. It starts with girls dancing in a locker room with the rumor that the singer will appear in the mirror if they dance to it. I believe he’s a rap or hip-hop singer. Please help.

"How Low" by Ludacris ft Shawnna

http://www.vevo.com/watch/ludacris/how-low/USUV70904352