'Tis the season...for partying! And Jennifer Aniston is getting into the holiday spirit.
"Jen loves Christmas, and her house was festively decorated with a huge tree, twinkling Christmas lights and fragrant flower arrangements," one guest breathlessly tells People.
Jen even picked out her very own tree—a Noble Fir—earlier this week, the mag found it significant to mention.
John Mayer wasn't on the guest list, but he's being festive as well...