Amazon's Prime Day and Black Friday sales are elite, but if you're on the hunt for skincare and makeup buys, the Summer Beauty Event is where it's at. The annual two-week sale is running now through Sunday, May 10, slashing prices on top-tier products. The best part is that so many celebrity-loved favorites are also marked down, and we rounded up the cream of the crop. Everything from anti-aging face creams to long-lasting makeup to time-saving hair tools are up for grabs, including picks approved by A-listers like Brooke Shields, Meghan Markle, Drew Barrymore, Bethenny Frankel and more.