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4 January 2013, 11:51
The 'Beauty And A Beat' star also says he is looking forward to kicking off the next leg of his tour.
Justin Bieber has vowed to prove the doubters wrong this year as he continues to work on new music in the recording studio.
The 'Boyfriend' singer has promised fans he plans to work hard in 2013 and "come out of the gate strong", while opening up about his plans for the next twelve months.
"Another year. Another year to be doubted. Another year to work hard and prove them wrong," Justin tweeted last night (3rd January). "Another year we are coming out of the gate strong."
The 'As Long As You Love Me' star confirmed he was working on new material with the simply tweet "#writing", before teasing his 'Believe' tour return at the end of this week.
"2 more days until back on tour. UTAH," Justin posted. "Gonna do some #giveback work today. good stuff. How is your 2013 going?"
Check out a picture Justin Bieber shared with fans this week below (Credit: Twitter):
The Canadian singer is set to release an acoustic album featuring several new songs at the end of this month (29th January).
Justin Bieber resumes his 'Believe' world tour on Saturday (5th January) with a show in Salt Lake City, Utah.