The Top 10 Most-Followed Twitter Accounts

Friday is Twitter's eighth birthday — and boy, has it come a long way. In that time, the social networking site has evolved into an invaluable resource for news (and it's not a bad place to find out what Katy Perry is up to). With more than 51 million followers, the pop star is — for now, at least — the reigning queen of Twitter.

So who's her competition? We compiled the top 10 most-followed Twitter accounts — five women, three men and two brands — to see how they compare

See also: The Illustrated History of Twitter

Below, check out how the top accounts stack up: Who has tweeted the most? Who follows the most accounts? And, most importantly, who had the most embarrassing first tweet? More about Youtube, Twitter, Social Media, Barack Obama, and Britney Spears