Chris Brown's Ex Karrueche Turns Heads On The Red Carpet ...

She was one of many celebrities taking part in an event for a cause they support. 

But Karrueche Tran was certainly one of the best dressed as she modeled a draped gown while at the amfAR Gala in NYC on Thursday. 

The 28-year-old chose a dress that mirrored her glowing complexion.