1. Lady Gaga. 11,580,502 followers.

With more than 11 million followers, gay rights campaigner Gaga is the queen of Twitter. In fact, she gained 20,000 followers in the few hours between this article’s submission and publication. The star, who likes to regale her ‘little monsters’ with snippets about her upcoming gigs and personal life, has also used her Twitter account to call for gay marriage and the end of the military gay ban.