By Kim Peiffer
Mar 16, 2016 @ 5:30 pm

Model Alessandra Ambrosio looks amazing in anything she puts on, but when she’s showing off her abs in an itsy bitsy bikini, she really ups the wow factor.

Yes, it’s quite clear that the star has amazing genes to begin with, but she also devotes herself to regular sweat sessions at Barry’s Bootcamp to keep her physique bikini-ready. In the clip above, celebrity trainer and Barry’s Bootcamp managing partner Derek DeGrazio shows us the killer ab move that contributes to the model’s killer abs. Watch it to learn how to do this workout at home.

Get the look featured on InStyle editor Kim Peiffer (above): top,; Koral leggings,; Adidas shoes,