ENTERTAINMENT
25/07/2013 11:07 BST

Rihanna vs Kate Upton - Who Is The Hotter Beach Babe? (PICTURES)

Two of the world's hottest females Rihanna and Kate Upton peeled down to their bikinis yesterday, and naturally it was only a matter of time before they were sharing pictures with their fans.

Well, they are celebs of the Instagram era, right?

RiRi was taking the chance to catch some rays in between shows on her Diamonds world tour, and snapped herself sipping on a cocktail in a blue bikini.

rihanna

Rihanna

Meanwhile, 'Sports Illustrated' model Kate Upton sent temperatures soaring even more with her selfie, where she posed for (her own) camera in a frilly white bikini.

kate upton

Kate Upton

But which beach babe comes out on top? Well, dear readers, we'll leave that up to you...

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Photo gallery100 Celebrity Bikini Beach Babes See Gallery