DMoore053108_02_X17.jpgKHeigl053108_06_X17.jpgKatherine Heigl CSheen053108_01_X17.jpgDemi and Ashton joined newlyweds Katherine Heigl and Josh Kelley and newly-newlyweds Charlie Sheen and Brooke Mueller (who first met at the Butterfly Ball two years ago...awww!) to raise money for a good cause.

Which celeb couple looked hotter on the red carpet - Demi and Ashton or Paris and Benji?

Course, Demi showed off a bit more than her flawless face and happy marriage - click through to see what else she was flashing!