Gemma Atkinson has slammed an ex-boyfriend as a "liar" as she opens up about discovering that he had allegedly been cheating on her. The former Hollyoaks actress, 38, who is now happily engaged to Strictly Come Dancing pro dancer Gorka Márquez, discussed the previous relationship on her podcast The Over Share. Recalling how she discovered the ex had apparently been unfaithful while they were holidaying together, Gemma explained: "My ex was cheating on me and I found out on Instagram.