Credit: Getty Images/Matt Winkelmeyer Every time Taylor Swift's go-to red lipstick comes back ... hard-to-snag lipstick, gloss, and polish. According to beauty-editor math, that's priceless.

Along with the luxe Elson lacquer, a glittering Gold 001 nail polish inspired by McGrath’s first-ever product is also included in the collab. And for those in need of a red lipstick restock ...

Wearing red lipstick with, she said, “a smoky eye” or “black nail polish” or “a sexy dress” sends a very different message than pairing a red lip with a more minimal face and outfit.

Gigi Hadid's ultra-bright red manicure ... sign to swap the muted-toned polish colors for a bright shade like Hadid's this fall. Oh, and don't forget to match it to your lipstick.

So, is the red nail theory a real thing? Yes and no. First, there's a reason the shade first became a popular manicure choice so many years ago. "Red nail polish began to be popular in 1929 after ...

Even naked nails are back. So far, so chic. But alongside neutrals, red nail polish remains a classic ... both used their nails to bring a pop of colour to muted palettes; Delevingne wearing ...