The red carpet got a whole lot sexier when Zendaya [1] arrived at the iHeartRadio Music Awards in LA on Sunday evening. The singer turned heads in a red velvet suit complete with a leather bralette [2] and was the epitome of cool while posing for pictures with singer Diane Warren. Despite not taking home any trophies, the 19-year-old Disney star [3] was up for the triple threat award, a new category dedicated to stars [4] who can sing, act, and dance. Read on for more of Zendaya's sexy night, and then check out even more star-studded arrivals [5].