It features a sassy slogan which reads 'It's your loss, baby' and we can only guess at who it's aimed at.
Scroll down for video Memories: She recently returned back to Los Angeles following a holiday in the Bahamas The teen finished off the ensemble with ripped denim and a suede jacket over a chambray top - with her flat stomach on full display.
She's never been shy about showing off her body - or her dance moves.
She also gyrated her hips against her as she attempted to twerk for her Snapchat followers.
The actress has got a cool, slightly leftfield take on getting dressed which verges between Lolita, rock chick and West Coast hippy and we have to say we like it.
But in a Miley Cyrus kind of way, rather than a Kendall Jenner way.
The 19-year-old - who rocked blue, black and silver colored hair - twerked up a storm at the late night peformance.