Drake vs. Chris Brown battle of the six-pack abs [PHOTOS]: Rihanna's 'lovers' show-off sexy skin, who looks hotter shirtless? [POLL]

At one point in time, both Chris Brown and Drake stole the heart of Rihanna. And who can blame the "Diamonds" songstress for falling head-over-heels for these guys - they're hot!

So the ultimate question remains... who has the hotter six-pack, Breezy or Drizzy?

Cast your vote in the Mstars poll:

After a rather troubling relationship, Rihanna and Chris Brown officially broke things off last year. Since then, Breezy's been dating aspiring model, Karrueche Tran. Meanwhile, rumors suggest that RiRi and Drizzy were romantically involved earlier this month. But it turns out Drake might be romantically pursuing actress/singer Zoe Kravitz.