Manon Lagrève has revealed she's given birth to her first child with fiancé Luke Bennett.The 29 year old, who took part in The Great British Bake Off in 2018, took to her Instagram feed to announce the happy news with her 151,000 followers.The star shared a series of sweet snaps of her newborn, including one of the young tot wrapped in a white blanket and a matching hat as she slept soundly with a pale pink bunny at her side.