Trending badgeTrendingPosted 55 minutes agoSubscribe to BuzzFeed Daily NewsletterCaret Down34 Cringey Celeb Moments That I Feel Like Everyone Collectively Forgot"I did that all on my first day of my period, too. Can you believe it?"by Hannah MarderBuzzFeed StaffFacebookPinterestLink 1. At the 2009 MTV VMAs, Lil Mama shocked everyone when she got up onstage and started dancing during Jay-Z and Alicia Keys' performance. Apparently, it was her grandma's birthday, so she was in a celebratory mood. "I'm from New York City. So when the song [kicked] up...