By Leah Ornstein - Breaking Celebrity News Style & Beauty Editor

Rihanna has a taut and tight tummy and she loves to show it off!

The Barbadian beauty has been training with fitness expert Ary Nunez for almost four years, who dished to SHAPE about the singer’s stay-fit secrets.

“Rihanna is so connected to her body,” Nunez, who is on call with Rihanna 24/7 when she is one the road, reveals.  “She used to work out because it was part of her responsibility, but now she works out because she loves it!”