Last Night's Look: Love It or Leave It?Check out the head-turning outfits Katy Perry, Lea Michele and more stars were just spotted in! Then decide – fabulous or fashion fail!

SELENA GOMEZ

Her relationship status may be in question, but one thing is certain: The star is turning heads in her backless Dolce & Gabbana dress and Lorraine Schwartz jewelry at the UNICEF ball in N.Y.C.