Kardashian Sisters To Launch Nail Polish Line. The Kardshian girls are taking over the fashion and beauty world, and their latest project is a nail polish line. Earlier this week Kim confirmed through her twitter page that herself and her sisters will be teaming up with Nicole by OPI nail polish line. "For the nail polish colors...just think glitz and glam!" she said. "You guys are gonna faint when u see our new polish.". The collection will be available at Walmart stores and more details about the collection will be revealed later. Do you plan on rocking the Kardashian polish on your nails?