Suffering from dull, acne-riddle skin? Got some down time this weekend? Perfect, because we’ve got 13 DIY beauty treatments you’ll most definitely want to whip up. And trust us, they work. How can we be so sure, you ask? Well, only because they're celebrity-approved. Indeed, we scoured the Internet for 13 stars' favorite do-it-yourself treatments, and we can 100 percent vouch for their effectiveness. (Yeah, we tried 13 of them already — we did it just for you, ladies.) The best part about these concoctions? The ingredients are already in your kitchen cabinets! Here, we highlight 13 celebs as they reveal their top secrets for beautiful, flawless skin.