London, April 20 (IANS) The Kardashian sisters are in the process of launching their own line of nail polishes with cosmetics brand OPI.

Kourtney, Kim and Khloe have been holding "top secret meetings" with cosmetics brand OPI in the hope of expanding their existing fashion empire with a nail polish range, reports femalefirst.co.uk.

"Top secret meeting with my sisters for OPI," Khloe posted on her Twitter. "Amazing top secret meeting today with KhloeKardashian at OPI!!! I am obsessed with their nail polish colors! (sic)," posted Kourtney on her Twitter page.

A representative for the brand is hoping more details of the collaboration will become available over the course of the next couple of weeks.

"We should have an answer one way or another in the coming weeks," a spokesperson from the cosmetic brand said.

Kourtney, Kim and Khloe recently teamed up with retail giants Sears to create an exclusive clothing and accessories line.