Seth MacFarlane Hosts & Performs At 'The Grove Christmas' Event - See All The Pics!

Seth MacFarlane, and Katharine McPhee team up together for a special duet at The Grove Christmas with Seth MacFarlane held at The Grove on Saturday night (November 14) in Los Angeles.

The annual event also featured a performance from Meghan Trainor, and appearances by Modern Family actress Sarah Hyland, Molly Sims and Santa Claus!

Guests were also treated to a special performance by Dancing with the Stars cast members, the lighting of Christmas tree and a fireworks finale.

“When my mom tweeted this for me years ago… And now both of our dreams are actually coming true tonight 😳🎄❤️ @macfarlaneseth #GROVECHRISTMAS,” Meghan shared on Instagram before her performance.

FYI: Katharine is wearing a Shona Joy dress.

55+ pictures inside of Seth MacFarlane, Katharine McPhee, Meghan Trainor and more…