Jennifer Aniston Throws Justin Theroux Star-Studded Birthday Bash

Justin Theroux chats up his pal Dax Shepard while celebrating his 42nd birthday at a party thrown by his fiance Jennifer Aniston on Saturday (August 10) at their recently-renovated home in Bel Air, Calif.

The 44-year-old actress and her love were joined at the party by Ellen DeGeneres, Ben Stiller, Jimmy Kimmel, Tobey Maguire, Laura Dern, John Krasinski, Don Cheadle, Jason Bateman, Kristen Bell, Isla Fisher, Samantha Ronson, Will Arnett, Malin Akerman, and more.

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According to People, guests hung outside on the patio, chatting and listening to music before heading inside to toast Justin. Jen‘s personal chefs prepared appetizer-style food for a relaxed buffet.

25+ pictures inside of Jennifer Aniston, Justin Theroux, and more at this birthday bash…