Blake Lively shared a pic of her abs on Instagram. The secret to losing all of her pregnancy weight is her trainer, Don Saladino. In her Instagram post, Blake thanked Saladino. She wrote, "Thanks @donsaladino for kickin my A double S into shape." Saladino also helped Lively get back into shape after she gave birth to daughter James. Blake is currently taking a break from shooting her movie “Rhythm Section."