UFC ring girl Arianny Celeste has wowed her millions of adoring fans by "dressing up" in a plunging red top.The OnlyFans model, who once posed naked for iconic X-rated magazine Playboy, has 3.2million Instagram followers keeping tabs with her life in and out of the Octagon. And they were this week treated to a series of uploads of Celeste in her latest eye-catching outfit.She attended a Shania Twain concert in the cowgirl costume alongside fellow ring girl Brittney Palmer and their friend, writing: "Dressing up is the most fun part.