Katherine Heigl

Katherine Heigl hates balls. That's right — you heard correctly. The 33-year-old actress has launched a campaign on IHateBalls.com to promote the spaying and neutering of animals.

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To promote her message, Heigl posed topless while holding a puppy for print ads, and partnered with FunnyorDie.com to create a snarky PSA where she explains, "I can't cut the nuts off human men — yet. So I've dedicated my time to the neutering of dogs. Because that's legal!"

Check out the PSA here: