Don't ever let anyone tell you Playboy Bunnies aren't tough.

Despite pain that caused her to interrupt tango rehearsals yesterday in order to visit the doctor, Holly Madison will compete Monday night on Dancing with the Stars.

"While she is not suffering from a broken rib, she does continue to feel a great deal of discomfort and was prescribed pain medication," Madison's rep told Us Weekly. "She is committed to the show and her partner, Dmitry and will rest when she can. She fully hopes and, at this time, expects to dance on Monday."

Click on the pics above to enlarge images of Holly Madison on Dancing with the Stars.