Kate Upton. Further comment rendered unnecessary.
She's more known for her backside, but Kim Kardashian also enjoys showing off a massive rack.
Wow. When did Kylie Jenner get so ... yeah, she is really morphing into her big sister Kim Kardashian.
Farrah Abraham's boobs are fake, along with pretty much all the rest of her body parts and the stories that escape those (fake) lips, but hey. They're not small.
Marisa Miller of Sports Illustrated is one of the all-time babes in our book. And likely many other similar books. Which we really would read over and over again if they featured pictures like this.
She hides them more often nowadays. But Britney Spears was once all about her breasts.
Wait! There's more Celebrities with Really, Really Big Boobs! Just click "Next" below: