Kaley Cuoco. (AP) Los Angeles - Kaley Cuoco has apologised for posting a picture on social media on Independence Day of her dogs sitting on an American flag. She later removed the picture and posted another with a graphic of an American flag in the shape of a heart. In the caption she writes that she made a mistake and sincerely apologizes to "anyone that has been offended". She adds that the picture in no way reflects her "feelings toward what the American flag represents".