Jennifer Aniston Premieres 'He's Just Not That Into You'

Jennifer Aniston keeps it classic in a black Burberry pantsuit at the premiere of her upcoming movie, He’s Just Not That Into You, held at Grauman’s Chinese Theatre on Monday (February 2) in Los Angeles.

The former Friends star, who turns 40 next Tuesday, finished off her look with a Ferragamo clutch at the Warner Bros. event (sponsored by Crest Whitestrips Advanced Seal).

Jen‘s boyfriend John Mayer recently teased her on his Twitter page, saying, “Visiting the Diamond Exchange in Tustin… welding an engagement ring for my girlfriend.”

10+ pictures inside of Aniston premiering HJNTIY…