Designers of the Year: The Olsens!

Stylish stars like Katie Holmes, Gwyneth Paltrow, Lauren Conrad and more couldn't get enough of Mary-Kate and Ashley's designs from their two labels, Elizabeth and James and The Row. By Melissa Liebling-Goldberg

AMANDA BYNES

The Hairspray star shows off her flawless figure in a curve-hugging black sheath from Elizabeth and James at an N.Y.C. premiere.