Karrueche Tran attends The 2017 BET Awards at the Microsoft Square in Los Angeles, California on Sunday June 25, 2017.

Rita Ora at the Amfar Gala at Hotel du Cap-Eden-Roc in Cap d’Antibes during the 70th annual Cannes Film Festival in Antibes, France on Thursday May 25, 2017.

Millie Bobby Brown at the 2017 Teen Choice Awards at USC Galen Center in Los Angeles, CA on August 13, 2017.

Rihanna at the French Premiere of Valerian And The City Of A Thousand Planets in La Plaine-Saint-Denis in Paris, France on Tuesday July 25, 2017.

Cara Delevingne at the “Valerian and the City of a Thousand Planets” European Premiere at The Empire Cinema, Cineworld, 5-6 Leicester Square in London, UK on July 24, 2017.

Blac Chyna at the 2017 Maxim Hot 100 Party at Hollywood Palladium, 6215 Sunset Boulevard in Los Angeles, CA on June 24, 2017.

Iggy Azalea walks the the red carpet for the iHeart Much Music Video Awards in Toronto, Canada on Sunday June 18, 2017.

Taylor Momsen of The Pretty Reckless at the The 11th Annual Rock On The Range – Day 3 at Mapfre Stadium in Columbus, OH on May 21, 2017.

Karrueche Tran at the 2017 Maxim Hot 100 Party at Hollywood Palladium, 6215 Sunset Boulevard in Los Angeles, CA on June 24, 2017.

Demi Lovato painted her digits in glossy black lacquer.