The Zero Dark Thirty star has taken a shot at recreating the Scots heroine of Brave. The 36-year-old actress, who shares the character's flaming red hair, posed with bow in hand astride a stallion in a trademark pose.
Chastain is the latest of a string of stars playing their screen heroes in the Disney Dream Portrait series by award-winning photographer Annie Leibovitz.
The star said Merida was a figure she could admire.
"She's headstrong, she's funny."