Jennifer Aniston and Justin Theroux go on dinner date with his mum

Updated: Jul 23, 2013, 15:27 PM IST

Washington: Almost a year after Justin Theroux celebrated his engagement to Jennifer Aniston at the Blue Hill restaurant, the couple returned to the eatery, along with Theroux`s mum Phyllis Grissim-Theroux, on Saturday.

Earlier that day, the soon-to-be married couple saw a screening of Sandra Bullock and Melissa McCarthy starrer, ` The Heat ` at AMC Lincoln Square, Us magazine reported.