2. Britney Spears - 6,361,290 followers

The new Britney finally has her hot body back and with her guest appearance on the hit show Glee and the news of her new album, she has recaptured her fans and is set on a comeback along with a little help from Twitter. Britney gave her followers a running commentary on how much fun she was having with the cast by posting photos from the set of Glee online for followers.