Sean Penn, Charlize Theron and Woody Harrelson got into the festive spirit on Friday (13Dec13) by attending a holiday party thrown by Family Guy creator Seth Macfarlane at his California home. The Ted filmmaker turned his pad into a winder wonderland and invited his famous friends, including Molly Simms, Nick and Vanessa Lachey, Brittany Snow, Aziz Ansari, Paris Hilton and Emile Hirsch, to dance the night away as they enjoyed a lavish spread of food. A source tells Eonline.com, "You walked in and there was snow on the ground and blowing snow with snowmen and carollers. There was an upstairs part with a bar and then a tent below where the party was." On Saturday (14Dec13), one of the event planners posted a picture collage on Instagram.com of the party decorations, with a caption which read, "Real snow, Christmas carolers, dirty Santa, drunk and passed out snowmen, ski lodge, 'smores bar, spiked hot chocolate...these are a few of my favorite things...the best holiday party..."