'Proud' Jessica Simpson flaunts post-pregnancy weight-loss

Jessica Simpson has shared a picture flaunting her slimmed down figure on Instagram.

The 33-year-old American recording artist admitted that she is "too proud" of her weight loss and posted a picture, wearing a tight-fitted ensemble, from her latest Weight Watchers commercial, Us magazine reported.

The 'Employee of the Month' star, who gave birth to her son Ace in June last year shared a black and white behind-the-scenes picture of herself gearing up to film her latest ad.