THE BIG PARADE (MGM, 1925) John Gilbert‘s best-known film, is a realistic portrayal of WWI. It was the biggest box office hit ever until GONE WITH THE WIND. Renee Adoree was John Gilbert’s co-star. She starred with him in more films than any of his leading ladies. The photo above depicts the famous chewing gum scene that Gilbert and Adoree ad-libbed. The scene inspired the Blatz company to use it to advertise their chewing gum.