Even supermodel Gisele Bundchen has lost her bearings at some point. The uber-model says she pulled a Britney by shaving off all her hair during a low point in her relationship with Leonardo Dicaprio. "It was not a fun time in my life - but I know the shame and torment Britney went through, when she cut all her hair off," says Bundchen. Of her own bald phase, she says, "I immediately regretted my hasty decision and flew to Brazil to hide out with my family till it grew back. I'll never cut it again - I think my success as a model is down to my boobs and my hair."