By Katie Wilson & Nia Dalton Shirley Ballas hasn’t always been lucky in love and was once involved in a bust-up with a woman who bragged she was having an affair with her ex-husband. The Strictly Come Dancing judge, 63, has been married twice and both relationships led to very different paths, with one ex-husband becoming a lifelong close friend and the other breaking Shirley’s heart. The ballroom dancing champion has candidly opened up about her romances over the years. Most recently, the star announced that she won’t be walking down the aisle anytime soon, after cancelling her nuptials to bo…