Hilary Duff may have hit up the gym at the weekend but it appears she may have had a little surgical help to achieve her enviable new figure.
Dressed in a black workout vest top which showed off her expanding cleavage, the starlet attended an hour-long Pilates class in Toluca Lake, California.
After returning home to change into an equally body-hugging outfit, Hilary then switched to exercising her credit card at various Beverly Hills stores.
Check out our before and after pics below – do you think that Hilary's curvier look is the result of plastic surgery?
Before? After?
