Jennifer Lawrence

Jennifer Lawrence (born on August 15th 1990) is an American actress.

X-Men: First Class
A close-up of Mystique's (played by Jennifer Lawrence) barefeet on shag rug after realizing she doesn't need to wear clothing due to her powers can allow her to create clothes.

X-Men: Days of Future Past
Throughout the movie, which takes place in the 1970s, Mystique is barefoot throughout her appearance.

X-Men: Apocalypse
Taking place in the 80's, A couple of close-ups of Mystique feet when she, Jean and the others are Taken to stryker's base.

Mother!
In this American psychological horror film, Mother (played by Jennifer Lawrence but name wasn't revealed until the end credits) is barefoot throughout the entire movie.