Miranda takes a break from singing, "All I Want For Christmas Is You" and smiles for the cam.

Miranda Cosgrove on the set of BTR's Christmas special showing some bear love.

The cuties of BTR merrily pose with Miranda Cosgrove mid-scene of the holiday episode of Big Time Rush.

Guest star Miranda Cosgrove perches on the piano as she serenades Logan Henderson.

BTR tries hard to get Miranda Cosgrove's attention so they can convince her to do a duet with them.

Dressed in head-to-toe bear get-up, the festive group poses for a picture.

Logan gets swept up in a shopping cart mid-holiday shopping as his band mates watch helplessly.

Miranda Cosgrove gets a big thumbs-up from her new bear pals in a winter wonderland theme.

For their second celebrity duet, BTR teams up with Snoop Dog and perform "Let's Stay In Our PJs (All Christmas Long)."

Snoop Dog and BTR settle in a cozy living room decked out with all the Christmas trimmings.