Which Star is Holding Her Yoga Pose? [PHOTOS/VIDEO]

There's barely a trace of fat on this celebrity body.  And it looks like her fit form is the result of a dedication to yoga.  Can you guess the star?

Yep.  It's Britney Spears!

Remember when she used to rely on 1,000 situps a day to train her abs?  The pop princess and mom of two recently shared some of her favorite yoga poses with Shape magazine, a method of exercise she credits for her rock-hard bod.

Check out Britney on the June issue of Shape magazine on newsstands Friday.