Lucy Mecklenburgh has flaunted her toned figure in a tiny bikini five months after giving birth to son Roman.The 29 year old, who reportedly refuses to return to The Only Way Is Essex as she's "too busy" to film reunion episodes, took to her Instagram stories to share the incredible snap with her 1.7million followers.The reality star looked gorgeous as she posed in the mirror in nothing but a tiny nude two-piece, which highlighted her emerging abs and slim waist.The brunette beauty styled her