The 29-year-old singer-turned-actress, whose fluctuating weight is often a public topic of discussion, said that people can only look truly beautiful when they are happy and in love.
Simpson told Us Magazine: "For me, [my rule is] just eat whatever makes you feel good. Work out whenever you want to. Just take care of yourself.
"I think when we're in love, when we have love in our life, that's when we look beautiful. I try to be a role model who stands up for women and self-esteem."
