Katy Perry on stage during day 3 of the Glastonbury Festival 2017 at Worthy Farm, Pilton in Glastonbury, England on Saturday June 24, 2017.

Lily Collins had long nude nails at the premiere of ‘The Last Tycoon’ at the Harmony Gold Preview House and Theater in Hollywoo, Los Angeles, California on Thursday July 27, 2017.

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

Rihanna at OKJA premiere during the 70th Cannes Film Festival at the Palais des Festivals in Cannes, France on Friday May 19, 2017.

Jenna Ortega at the Spiderman: Homecoming Premiere at the TCL Chinese Theater in Los Angeles, California on Wednesday June 28, 2017.

Cara Delevingne at the Valerian and the City of a Thousand Planets film press conference in Los Angeles, California on Friday June 30, 2017.

Blac Chyna at the iGo.Live Launch Event at Beverly Wilshire Four Seasons Hotel in Beverly Hills, CA on July 26, 2017.

Model Bella Hadid had long white translucent nails while she attended the Formula One Grand Prix of Monaco in Monte Carlo, Monaco on Sunday May 28, 2017.

Lauren Jauregui performing on the Today Show Citi Summer Concert Series at Rockefeller Plaza in New York City, NY on Friday June 9, 2017.

Vanessa Hudgens at the 2017 Summer TCA Tour – Day 16 – Fox Press Tour at The Beverly Hilton Hotel, 9876 Wilshire Boulevard in Beverly Hills, CA on August 8, 2017.