 It had the highest per-theater average gross of all the films shown in the United States every day for the first 21 days of its release, until being surpassed by the IMAX film "Deep Sea 3D" on August 15.In its third week of release "Little Miss Sunshine" entered the list of top ten highest grossing American films for the week.It remained in the top ten until the 11th week of release, when it dropped to 11th place.