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OTRC: Adam Levine debuts beard and mustache (Poll, Photo)

Adam Levine appears in a photo he Tweeted displaying facial hair on July 7, 2012. / Adam Levine talks to OnTheRedCarpet.com at the season 1 finale of 'The Voice' in June 2011. (Twitter.com/adamlevine)

Adam Levine recently debuted a surprisingly rugged and hairy look.

The 33-year-old Maroon 5 frontman posted a photo of himself displaying a full beard and mustache on his official Twitter account on Tuesday, July 3. The singer is making a serious face, slightly squinting one eye, and captioned the photo "Grizzly Man!" (See above).

Levine also showcased a hairier exterior on the set of his first feature film, "Can a Song Save Your Life?" on Sunday, although he only sported a mustache, as seen in a photo posted on People magazine.

The drama film stars Keira Knightley, Mark Ruffalo, "True Grit" star Hailee Steinfeld as well as Cee-Lo Green, who is one of Levine's three co-judges on the NBC singing contest series "The Voice." "Can a Song Save Your Life?" follows a dejected music business executive who forms a bond with a young singer-songwriter who is new to Manhattan. The film is set to air in 2013.

"Shot my first scene this morning! I think I did well because nobody yelled at me," Levine Tweeted on Monday.

That day he also posted a photo of himself appearing clean-shaven.

The popular singer is also set to appear on the dark FX series "American Horror Story" during its second season, which premieres in October 2012.

In May, Levine used his Twitter page to tease another new a new look - a bloody one. It was for his music video "Payphone." The song is the first single from his rock band Maroon 5's new album, "Overexposed," which is the group's fourth major record in almost two years.

Watch the full and official video for "Payphone" below.

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