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.

Rita Ora at Nice airport during the 70th Cannes Film Festival in Nice, France on Monday May 22, 2017.

Victoria Justice at the 2017 “The Celebrity Experience” Interactive Event at Hilton Los AngelesinUniversal City, 555 Universal Hollywood Drive in Universal City, CA on July 16, 2017.

Victoria Justice at amfAR generation CURE Solstice Party, Mr. Purple at Hotel Indigo. New York City, NY on Tuesday June 20, 2017.

Sierra Furtado at the Prive Revaux Eyewear Launch Party at Chateau Marmont in Los Angeles, CA on June 1, 2017.

Emily Ratajkowski at the ‘Loveless’ screening during the 70th Annual Cannes Film Festival in Cannes, France on Thursday May 18, 2017.

Ellie Goulding at the Cannes Lions Festival in Cannes, France on Wednesday June 21, 2017.