Hollywood Holidays -- Entertaining

Stars' Ho-Ho-Holiday Pics

See how Lady Gaga, Jessica Alba and more are getting into the spirit of the season

THE GLEE CAST

Darren Criss posted this behind-the-scenes shot of him and fellow dressed-up costars Chris Colfer, Mark Salling, Amber Riley and Lea Michele from the show's Christmas episode, writing, "Seasons Greetings, everyone!"