Thigh oh my! What big muscles Ri has

RIHANNA’s punishing work-out regime shows in her powerful thighs as she performs on American Idol.

The You Da One singer revealed her super-toned figure in a black fringed bra and black hotpants with attached drapes.

And her muscles rippled as she pulled some dance moves in her performance of Where have You Been on the show’s Grand Finale.

The 24-year old, sporting black dreadlock hair extensions, made a dramatic entrance in a green neon triangle.

Surrounded by dancers in tribal make-up she pulled an energetic routine as an topless drummers pounded on the side of the stage.                   Read More