Doing his part to help bring a little cheer this holiday season, Zac paid a visit to the Mattel Children’s Hospital on the UCLA campus on Friday (December 19).

Teaming up with Gifts.com, the “High School Musical” heartthrob happily presented gifts, signed autographs and posed alongside his giddy fans as he made his hospital rounds to the facility’s patients.

Click here to see more pictures from celebrity-gossip.net