Frankie Essex has showed off her two stone weight loss, which she managed to do in 12 weeks.The 33 year old, who flaunted her curves in a black and white swimsuit while enjoying a beach stroll in Mexico last month, shed the pounds with the help of a food delivery service called MuscleFood, which allowed her to control her portion sizes. Sharing before-and-after photos of her transformation, the star can be seen wearing the same grey and white Calvin Klein lingerie set.