Last Night's Look: Love It or Leave It?Emma Stone's leather bustier dress, Julianne Hough's abs-baring ensemble, Katie Holmes's minimalist shift and more star style on the red carpet. Check them out, then vote – fashion-forward or fashion fail?

KATIE HOLMES

Katie keeps it simple in a black-and-white Balenciaga mini dress and Manolo Blahnik pumps at the Tiffany & Co. Blue Book Ball in N.Y.C. The actress accessorizes with a Tiffany sapphire-and-diamond ring worth almost half a million dollars.