Justin Bieber Twitter Meltdown on Birthday

Pop singer defends himself against critics of his "worst birthday" tweet.
2:05 | 03/07/13

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Transcript for Justin Bieber Twitter Meltdown on Birthday
justin bieber and his tirade against all of his critics. The rant came after what bieber called his worst birthday and his tardiness to a huge concert in britain and abc's linsey davis has our story. ♪ Tell me you love me ♪ Reporter: The as long as you love me crooner doesn't seem to be feeling the love lately. In fact, it seems all those negative headlines may finally be getting to justin bieber. On wednesday the star went on a tweeter tirade tweeting why is everyone judging me and rumors, rumors, rumors. Justin bieber starting to feel the pressure. He's literally having his michael jackso alone moment. Reporter: It all started in london over the weekend when the club where he was hosting his 19th birthday bash reportedly turned some of his underage friends away including 17-year-old ella page roberts-clark who is rumored to be his girlfriend. The next morning he tweeted simply worst birthday. Something he later deleted. Since then gossip websites have delighted in running this photo shirtless showing up in his london hotel andeing criticized for driving fans at london's o2 arena booing him he arrived two hours late. He insisted he was only 40 minutes late but tweeted there is no excuse for that and i apologize for anyone we upset. On wednesday the apologies appeared to turn to anger over a period of about ten minutes, the heartthrob fired off a dozen or so tweets adwesing everything from speculation about his love life to when and where he was snapped shirtless. As long as my family, friends and fans are with me, you can say whatever, he tweeted and fake stories to sell papers, i guess, are part of the job but I'm a good person. Justin is one of those stars that we see constantly. When you're that overexposed you may experience a backlash. Reporter: The biebs left his 35 million twitter fans with this. Going to enjoy the day and keep smiling. He tweeted. Now back to this music. For "good morning america," linsey davis, abc news, new york.

This transcript has been automatically generated and may not be 100% accurate.

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