It's a mistake to think that celebrities always have the absolute best beauty secrets. (If that were the case, they'd theoretically look flawless all of the time, which is humanly impossible.) But because they get to try so many products and work with the best experts, I always like finding out what they're using. This Telegraph story uncovers a ton of celeb-approved beauty products. Read the article if you're in a rush, or for a bit more fun, see if you can guess who uses what.