Celebrities Are Wearing Sweatshirts on the Red Carpet: Here's How to Recreate Their Looks for Every Holiday Party

Athleisure has been having a very big moment as the cool trend du jour, thanks in part to the many celebrities who are reinventing one genius idea after the next to enhance it. They've perfected the art of wearing leggings (and actually make them look cute). Then pushed the boundaries when it came to wearing pajamas out in public. And now, there's a new trend popping up -- sweatshirts on the red carpet. Just this week, three celebs sported your everyday, comfy pullover for three very fancy event...