A star-studded birthday for Jennifer Aniston

One friend who couldn't make the dinner was Reese Witherspoon, but the 'Wild' star sent a message to her friend via Twitter.

Jennifer Aniston enjoyed a star-studded birthday dinner on Thursday

The 'Cake' actress turned 46 last week and she and her fiance Justin Theroux were joined at Hollywood's Roosevelt Hotel by friends including Courteney Cox, Jimmy Kimmel, Malin Akerman, Amy Adams, Lake Bell, and Ken Marino, as well as couples Sacha Baron Cohen and Isla Fisher, John Krasinski and Emily Blunt, and Tobey Maguire and Jennifer Mayer for a celebratory meal.