Taylor Swift [1] showed up to the iHeartRadio Music Awards in Inglewood, CA, on Sunday night looking like a glittery cat burglar [2], and it was hard to stop staring. The singer, who also presented at the GLAAD Awards on Saturday [3], showed off her long legs in a black, sparkly jumpsuit while strutting down the red carpet before heading inside to sit with boyfriend Calvin Harris [4]. In addition to taking home the awards for female artist of the year and best tour, Taylor also gave Calvin a sweet shout-out [5] on stage. Keep reading to see more from Taylor's night, and then check out her hilarious new Apple ad [6]!