Before Britney Spears became known for shaving her head, flashing her privates and nonstop partying, she was famous for her over-the-top performances during the MTV Video Music Awards. And she might be trying to regain some of her old glory with rumors that she'll open this year's MTV awards on September 9. "I cannot confirm or deny it," an MTV rep told E! While Britney's previous appearances were unforgettable - remember the kissing Madonna number or the bellydancing with a boa constrictor? - she's definitely going to have to kick it up a notch from the lip-syncing, mini-tour she did earlier this year, which left fans and critics unimpressed.