Ever wonder how Zendaya's skin always looks so flawless? What about how Ariana Grande's hair is always picture-perfect or how Lucy Hale's lips stay so glossy? Well wonder no more!
Zendaya, Ariana, Lucy and seven more stars are revealing their favorite beauty products that help them stay camera-ready 24/7 — from lifesaving lip glosses and mascaras to unexpected items you wouldn't think to use on your skin or hair.
Want even more celeb hair and makeup scoop? Then be sure to pick up the December issue of Twist featuring our 2013 Beauty Awards!
Check out the below gallery to find out 10 stars must-have makeup and hair products. Then tell us what you can't live without in the comments.