Jennifer Aniston and Justin Theroux joined Tom Hanks and his wife on a "super power couple" dinner date.

Jennifer and Justin have been in a committed relationship for nearly a year.

The actress is rumoured to be interested into launching an enterprise with Justin.

The couple, Tom and his wife of 27 years Rita Wilson dined at Katsuya Brentwood Japanese restaurant in Los Angeles Wednesday night and were possibly discussing business.

"They all appeared to be really enjoying each other's company and sat at a private booth," a source told Peope magazine. "It was a fun sake and sushi double-date between two super power couples."

Jennifer and her ex-husband Brad Pitt owned production company Plan B together, but Brad became the sole owner of the venture following their 2005 divorce.

Jennifer and Justin are having few problems fusing their personal and professional lives.

"Jen and Justin are both doing great," the insider said.

"They have both been working on upcoming movie projects."

Jennifer and her ex-husband Brad Pitt owned production company Plan B together, but Brad became the sole owner of the venture following their 2005 divorce.

Jennifer and Justin recently starred together in comedy Wanderlust.