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Believe it or not, Sports Illustrated beauty Kate Upton was the victim of bullying when she was in school. Now the cover model is standing up to the serious problem with a brand-new public service announcement, and we have a first look!

'Bully' Granted PG-13 Rating by MPAA

A series of PSA's about bullying are being produced in conjunction with The Weinstein Company's important new documentary, Bully, in theaters now, with stars working to keep the dangers of bullying -- and how to help -- at the forefront of people's minds.

Michelle Trachtenberg Takes on 'Bully'

Other stars lending their support to the Bully Project include Glee's Naya Rivera and Cory Monteith, Katie Couric, Kathy Griffin, Martha Stewart, Michelle Trachtenberg and Yankees slugger A-Rod.

For more information go to TheBullyProject.com.