Clad in a gray T-shirt and black leather pants, the 46-year-old Blind Side actress sported loose, beachy waves and new side-swept bangs as she accepted the award for Choice Movie Actress.
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But Bullock -- who skipped the Kids' Choice Awards in March in light of ex husband Jesse James' cheating scandal -- also avoided the Teen Choice Awards' red carpet. See more Teen Choice Awards pics!
Other big winners for the night included Megan Fox (Choice Female Hottie), Twilight's Taylor Lautner (Choice Male Hottie), and Gossip Girl stars Chace Crawford and Leighton Meester (Choice Drama TV Actor and Actress).
The Teen Choice Awards (hosted by Katy Perry) airs Monday on FOX at 8 p.m.