Meg Donnelly, Cameron Monaghan, 'Young Sheldon' Stars & More Give Back at Brooks Brothers' Annual Holiday Party With St. Jude's Children's Hospital

Meg Donnelly steps out for a day of giving back at Brooks Brothers and St Jude Children’s Research Hospital Annual Holiday Celebration held at the Beverly Wilshire Four Seasons Hotel on Sunday afternoon (December 9) in Beverly Hills, Calif.

The 18-year-old Zombies actress was joined by a ton of her peers, including Young Sheldon stars Iain Armitage and Raegan Revord, who got a pic with Santa Claus.

Cameron Monaghan, Joel Courtney, Logan Shroyer, Danielle MacDonald, Carter Jenkins, Sam Tsui, Steven R. McQueen, Aubrey Anderson-Emmons and Sharna Burgess were also at the party.

Guests enjoyed an afternoon of holiday treats and participated in a variety of festive themed activities including ornament decorating, greeting card designing, plus a cookie decorating station hosted in partnership with Bird Bakery.

Check out all the pics inside!