41-year-old Isla Fisher has never and will never be Amy Adams, but when she bumped into Lady Gaga at the 2014 Vanity Fair Oscar party, she was determined to pretend that she was the 'Arrival' star ...

Coincidentally, the A-list ladies both starred in Tom Ford's 2016 thriller, Nocturnal Animals, in which Fisher played a character inspired by Adams' character in the film.