Kanye West said goodbye to Twitter in 2012, deleting his old Tweets and unfollowing everyone except his then-girlfriend Kim Kardashian. But he's now back to talk about Kim, his fashion line and other topics.
Miley Cyrus left Twitter way back in 2009. And again the following year. But she was never able to stay too far away, often returning to show off new, weird photos and messages.
James Franco quit Twitter for almost two months in 2011, even predicting the end of social media. But it never happened, not even for Franco. He's back on.
Chris Brown twice left Twitter, once after complaining that Walmart and other stores weren't stocking his album ... and another time when he got in a Twitter feud with comedian Jenny Johnson over his on-again, off-again relationship with Rihanna. That was awhile ago. He's now back.
John Mayer told Rolling Stone back in 2010 that he was quitting Twitter because he "couldn't have a complete thought anymore" and he turned into a "tweetaholic." Naturally, he's also returned.
Nicki Minaj bid farewell to 11 million followers in 2012 after website Nicki Daily reportedly leaked songs from her new album online. But she returned mere days later... and now has more than 18 million followers.