Rex Features
US reports speculated earlier this month that the couple were on the verge of splitting.
However, a representative for the couple claimed the allegations were "100% completely fabricated".
The spokesperson told Us Weekly: "There is not one ounce of truth to it."
Garner and Affleck, who met while filming Daredevil in 2003, married three years ago. They have one daughter, two-year-old Violet.
