After seasons of long, wavy locks ruling runways and red carpets, short hair has staged a major comeback--and we all know why, don't we? We'll give you two hints: Her name begins with an "R" and she's so hard, yeah-yeah-yeah she's so hard. That's right, Rihanna's haircut--short on the sides, long on top--is the hottest look on the planet right now. The best part? Even though the dimensions of the cut are specific, there are a zillion different ways to wear it, from curls to spikes to flapper waves! Here, we asked the genius behind Rihanna's trendsetting style, celebrity hairstylist Ursula Stephen, to give us tips on ten different ways to rock this trendy 'do.