The ‘Hairspray’ actress talks about her former body image issues.

BRITTANY SNOW is one of 14 celebs, along with ASHLEE SIMPSON and FERGIE, who have signed the Seventeen Body Peace Project Treaty that asks girls to pledge to stop obsessing about the shape of their bodies.

In the issue of Seventeen magazine, now on newsstands, Editor in Chief ANN SHOKET has launched the year-long project to help girls turn off the negative voice in their heads, get some perspective on skinny celebrities, and be more accepting of their own bodies.

So many girls feel awful about themselves,” Shoket tells ET in an exclusive interview, “and this [treaty] is a goal that says, ‘Just make peace with your body.’ Vow to treat it better. Stop obsessing about what it looks like and appreciate it for what it can do.”

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