By Joel Leaver Megan McKenna has shared an update with fans about her pregnancy after having announced earlier this week that she’s expecting a baby with her fiancé Oliver Burke. The singer-songwriter, 31, and the footballer, 26, shared the news with their followers on Instagram in a joint post on Thursday. Alongside a compilation video, the couple wrote: “A little bit of you & a little bit of me … now we’re a family.” Following the announcement, Megan – who is best known for having been on shows like the Only Way is Essex and Celebrity Big Brother \- has now shared details about her experienc…