Washington, Aug 17 : Beyonce Knowles is taking secret ballet classes to brush up on her dancing skills.

The singer has enrolled herself for ballet tutorials in New York and attends classes without an entourage.

According to America''s Star magazine, the singer used Manhattan''s Ailey School to rehearse for her last tour, and now she has checked in for an open ballet class.

"She came in like a regular student. No entourage and no attitude," Contactmusic quoted a fellow ballet enthusiast as saying. (ANI)