Victoria Justice & Leon Thomas: 'Baby, It's Cold Outside' Duet!

Victoria Justice stops by Children’s Hospital Orange County for a surprise visit in Los Angeles on Monday afternoon (December 19).

The 18-year-old actress spent time with many of the children, playing video games and decorating holiday cookies.

PHOTOS: Check out the latest pics of Victoria Justice

Victoria and costar Leon Thomas also collaborated on a holiday tune for their fans.

“Happy holidays everyone! This is our gift to you guys, we hope you like it :{). I hope you all enjoy your time off. Lots of love from us both!” they wrote in the notes section of the vid.