Ash Costello wears black and red squared nails with half moon designs.

Kim Kardashian wears matte white round nails.

Gwen Stefani wearing checkerboard manicure at the 2012 iHeartRadio Music Festival – Day 1 at MGM Grand Garden Arena in Las Vegas, NV on September 21, 2012.

Cierra Ramirez seen arriving at the 2013 American Music Awards held at Nokia Theatre L.A. Live in Los Angeles on Sunday November 24, 2013.

“Thank you @michellerocksnails for my rockin red and black nails! If you’re near St. Louis Missouri , visit her at her shop Salon Legacy Nails.”

Gwen Stefani at the 64th Annual Cannes Film Festival – “This Must Be the Place” Premiere at Palais des Festivals in Cannes, France on May 20, 2011.

Gwen Stefani has glossy black nails at the 64th Annual Cannes Film Festival – “The Tree of Live” Premiere at Palais des Festivals in Cannes, France on May 16, 2011.

Kim Kardashian wearing chocolate brown manicure.

Amber Rose wore long pink nails at the SlutWalk Festival Press Conference With Amber Rose And Perez Hilton at Four Seasons Hotel in Beverly Hills, CA on September 29, 2016.

Alli Simpson wears shiny cappuccino long nails.