Justin Bieber Says New Single's Due in March; Stars in Lip-Dub Video for Manager's New Signing

ABC/Tim OgierJustin Bieber's already announced that "Live Your Life," the track on which he collaborated with Far East Movement, will be out February 28.   But it appears that another single is also coming soon from the Bieb -- one which will be the official first release from his upcoming album Believe.  Justin tweeted Wednesday, "u guys keep asking. so yeah. my single is NEXT MONTH> #BELIEVE."  Also coming next month: Justin's 18th birthday.  March 1, to be exact.  He wrote on Thursday, "I love music and creating. working hard on the music. 1 week until the birthday.  wild."

In other JB news, he, girlfriend Selena Gomez, Ashley Tisdale, Carlos Pena of Big Time Rush and others all appear in a goofy new lip-dub video for "Call Me Maybe" by Carly Rae Jepsen.  The singer, an alumni of Canadian Idol, was just signed to Schoolboy Records, the label owned by Justin's manager Scooter Braun.  "We got your back!" tweeted Justin to Carly, who's floored that the video is helping her song rise up the iTunes charts.

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