3 Celebs Who Prove Even Style Stars Wear Sweatpants Sometimes

What We See: The cover star of 2015's Sports Illustrated Swimsuit Issue, who looks great in a bikini and curve-hugging minidresses.

What She Likes to Relax In: “I am like the queen of being in sweatpants and pajama pants 24/7. When I’m not working, I’m really not working — I’m just looking like a bum. I can’t even tell you I wear anything cool because it’s not designer, it’s like old, crummy t-shirts. I wear some of my brother’s old boxer shorts from, like, high school, because they’ve been washed so many times that they’re so soft. So that’s kind of my go-to look when I come home.”