Now, enter the red-nail theory, or the idea that you’re more likely to get attention from potential suitors if you paint your nails red. After seeing it take over my feed, I was conflicted.

From Cardi B to Rihanna, these celebrities prove that long nails are more than a fashion statement — they're a lifestyle.

When in doubt, a simple red nail never fails. This bright, cherry-red shade adds a pop of color to any outfit. For something a little more intricate, give this gorgeous floral pattern a try.