#HappyBirthdayJustinBieber trending on Twitter
On singer Justin Bieber's 22nd birthday, #HappyBirthdayJustinBieber was a top global Twitter trend on Tuesday. The singer tweeted, "For my bday it would be nice to be #1 :)". Fans wished Bieber with tweets likes, "They say that the world is 4.5 billion years old, but mine is only 22. #HappyBirthdayJustinBieber" and "I love you Justin, happy birthday my boy".