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"Here's my single cover!!!"

That from Avril's Twitter Tuesday night as she dropped the
cover art for the track, which she teased last week.  She appears nude, covered only by the oversized teddy bear she's clutching! 

She also seems to be going back to her old look, complete with blonde hair and smudged black eyeliner.   

She may be determined to never grow up, but last year the
Canadian singer announced her engagement to Nickelback's Chad Kroeger, who had a hand in her last release 2011's "Goodbye Lullaby."