Loose Women! The long-running ITV show celebrated its 21st anniversary at the weekend, and Ruth Langsford marked the special occasion on Instagram.Taking to her Stories, the star shared a collage that featured many of the programme's best-known panellists, including herself, which she re-posted from the Loose Women Instagram account.MORE: Ruth Langsford's super healthy dinner will make you so hungryA caption read: "Happy 21st Birthday Loose Women."The 60-year-old appeared on the show in its