It features a sassy slogan which reads 'It's your loss, baby' and we can only guess at who it's aimed at.
The giddy star had a mini photo shoot with her friend in the bathroom before they returned to the show.
We're looking forward to seeing what she puts together at this year's Coachella!.
It's by Singapore based label O' Mighty, a brand we've already spotted on starlets like Georgia-May Jagger, Rihanna and Suki Waterhouse to name a few.