Demi Lovato attends the The 2016 Billboard Music Awards Arrivals in Las Vegas on Sunday, May 22nd, 2016.

Charli XCX at the LA Pride 2016 Music Festival and Parade – Day 2 at 8687 Melrose Avenue in West Hollywood, CA on June 11, 2016

Halsey wore sparkling gold nails at the “The Huntsman: Winter’s War” Los Angeles Premiere at Regency Village Theatre in Westwood, CA on April 11, 2016.

Blac Chyna getting her red manicure done with Nails Inc London spray

G Hannelius at the CW Network presents “World Dog Awards” at a Barker Hanger on January 10, 2015 in Santa Monica, CA

Demi Lovato wore red manicure at WE Day California held at the Forum in Inglewood in Los Angeles, California on Thursday April 7, 2016.

Charli XCX at the Emporio Armani show during Milan Fashion Week Fall/Winter 2016/17 in Milan, Italy on Friday February 26, 2016.

Dove Cameron wore blue nails at the 2016 Radio Disney Music Awards at the Microsoft Theater on April 29, 2016 in Los Angeles, CA

Blac Chyna wore bright green long coffin-shaped nails

Demi Lovato at the Metropolitan Museum of Art Costume Institute Benefit Gala in NYC, New York on Monday May 2, 2016. This year’s theme is Manus x Machina: Fashion in an Age of Technology.