Justin Bieber's Ex Chantel Jeffries in White Hot Bikini

Chantel Jeffries is sporting white way after Labor Day but -- for obvious reasons -- we're cool with it.

Justin Bieber's ex splashed around and shared a coconut drink on Miami Beach with her friend. Check out the gallery for Chantel and her pal, Alissa Violet -- who snapped shots of her own -- splashing in the surf.