Score magazine invited six of the world's biggest breasted women to compete to determine who has the best tits in the Universe! You won’t believe what we asked these girls to do with their knockers! Six huge chested mammazons in boob-to-boob action!

Check out the incredible boobie footage. Watch these girls do very naughty things. Score magazine presents the ultimate big tit competition!

Starring: Kayla Kleeveage, Maxi Mounds, Plenty Up Topp, Casey James, SaRenna Lee, Minka