She wrote alongside the post: 'My overall days #familylove #gratitude?'.
Katie, 37, is best known for her roles in Dawson's Creek and Batman Begins, and will star as former First Lady Jacqueline Kennedy in the TV series, The Kennedys After Camelot next year.
We think she looks almost identical to her 10-year-old daughter Suri Cruise. That fringe is too cute!