She is on the cover of Us Weekly’s first annual swimsuit issue

And guess what she talks about .... weight

“It made me obsessed,�? she tells Us.

“I would beat myself up if I had some fat.�?

Haylie, 22, intervenes.

“She said, ‘Why are you being so strict with yourself?'It was like an awakening,�? says Duff, who eased up on her rigorous program.

“I don’t want to be so skinny that people are like, Oh my god, she’s lost a lot of weight.�?

"As you get older, you just get more comfortable in your own skin."

“You need to find balance,�? she says.