Strictly Come Dancing is known for its romances just as much as all the dazzling performances on the dancefloor, and while some stars become lifelong friends, other celebrities and their partners grow a lot closer.Exclusive: Janette Manrara responds after Aljaz Skorjanec raises concerns he's set to quit StrictlyHowever, over the years, some of these well-publicised relationships have broken down and some couples have fallen victim to the infamous curse.