Sarah Hyland, Meghan Trainor, & Santa Claus Celebrate Christmas at The Grove

YH gets into the holiday spirit for Seth MacFarlane's annual Christmas celebration at the Grove, and we chat with attendees Sarah Hyland, Meghan Trainor, Katharine McPhee, Molly Sims, and even St. Nick himself, Santa Claus, to find out which reindeer they most identify with and whom they'd like to get underneath the mistletoe!