On Thursday, the 47-year-old star showed off her blunt bangs and short, bold bob-cut wig while walking around on set in Atlanta, Georgia.
It's hard to get past the stylish cut to even notice the massive glasses, but all of it gives off some major Ann Wintour vibes.
PHOTOS: Julia Roberts through the years
The Garry Marshall-directed film – the latest in his series of holiday-themed romantic comedies – also stars Jennifer Aniston and Kate Hudson.
Recently, Roberts opened up to Allure explaining that she was glad she didn't have any scenes with Aniston because the former Friends star is "so hot."
For a look at Aniston on the set of Mother's Day in nothing but a towel, check out the video below.