Did Pam Go Larger?

Pam Anderson arrived in Australia to promote M&Ms on Valentine's Day in Carousel in Albert Park. We wrote about how Pam was brought in to replace Nicole Richie as the sexy green M&M. I am wondering after seeing these pics from last week and now this one below, if Pam might have gone under the knife again to increase that ever-growing chest of hers. Does she seem larger to anyone else?