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Makeup lovers, rejoice! MAC Cosmetics is giving away free lipsticks in celebration of National Lipstick Day.

The giveaway, and National Lipstick Day, is this Saturday, July 29.

The best part? There’s no purchase necessary.

You will be able to choose from a limited selection of lipsticks, which may be different at each store.

Promotion rules indicate that the giveaway is exclusive to U.S. stores — while supplies last.

According to Glamour, the lipsticks, which are normally priced at $17, will be available at some MAC storefronts, as well as other retailers that carry MAC products, including participating Ulta stores.

It may be a good idea to call the location ahead of your visit to be sure they are taking part in the giveaway.

You’re not going to want this promo to slip through your fingers. Check out the MAC store locator here and go get yourself a free lipstick!