December 24, 2014 03:15 PM

Dwayne "The Rock" Johnson has been sharing some major fashion statements this year. In July, he Tweeted a Throwback Thursday photo sporting a fanny pack and now, he’s “rocking” a onesie!

The actor stopped by Live with Kelly and Michael Wednesday morning to sing some Christmas karaoke dressed in the holiday-inspired sleepwear.

Battling it out with co-host Michael Strahan, The Rock sang his own rendition of “Here Comes Santa Claus” as co-host Kelly Ripa – and even Strahan – rocked out on the couch decked out in their festive attire.

The best part of his performance? When he screamed, “I’m in a onesie!” mid-song.

Watch him in action in the video above.

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