Jennifer's Beauty Secret, Donny's Marriage Advice

• Jennifer Aniston's secret to looking so good on the cover of GQ? Photoshop, of course. [NYDN]
• In his new book, Donny Deutsch recommends people stay faithful to their spouses, which is a little bit ironic considering he was involved in the breakup of a marriage just weeks ago. [P6]
• Tom Brady proposed to Gisele Bundchen on Christmas Eve. [TMZ]
• Lindsay Lohan says she may have a half-sister, although her father is denying it. [People]
Michael Moore is trying to lose weight, you'll be happy to hear. [P6]
• John Costelloe, the actor who played "Johnny Cakes" on The Sopranos, has been found dead in an apparent suicide. [People]
• Paris Hilton says the heist at her LA home was an inside job. [NYDN]
• Eartha Kitt died on Christmas Day at the age of 81. [Us]