Justin Bieber Billboard Cover & Interview: I'm 'Not in the Happiest Place' [SNEAK PEEK]

Justin Bieber has been on the Billboard list numerous times for his pop songs and now the 18-year-old graced Billboard magazine's cover for the fourth time. 

The "Beauty and a Beat" singer granted only one major interview for the Jan. 29 release of his new album "Believe Acoustic," according to Billboard, and he gave it to the magazine. For its February 2013 issue, the Canada native opened up to Billboard about his career -his new album, acting, getting snubbed by the Grammys, the pinnacle "Acoustic" could reach - and also heartbreak.   

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Bieber's personal life has been nothing but private recently. On Dec. 30, he broke up with former Disney star and "Who Says" singer Selena Gomez, 20, reportedly after a dispute they had while during their New Year's holiday vacation. Rumors spread that there were trust issues between them, Bieber cheated on Gomez, and he tried to win her back, though she refused to give their relationship another go.

Bieber denied claims of infidelity and said "I'm a good guy," but either than that, he stayed relatively mum about his breakup with Gomez. In his Billboard interview, however, when asked about his heartbreak, the "Boyfriend" singer said, "I'm not in the happiest place that I've ever been." 

One song off of Bieber's new album, called "Yellow Raincoat," already leaked online. Dubbed Bieber's "Selena Gomez love song" following the couple's split, it includes sentimental lyrics rumored to be addressed to the former Disney star.

If "Acoustic" debuts at No. 1 on the Billboard 200 chart, he will become the only artist in history to have five No. 1 albums before turning 19, according to the magazine. He would also be just the 10th act to score a No. 1 album in four consecutive years. 

Bieber is currently on the U.S. leg of his "Believe" tour. Starting February he goes to Europe, and then to Dubai and South Africa in May. He will continue to travel through June and July, and in August he will be back performing in the U.S. 

Check back on Monday to read the exclusive cover story by Billboard.