Kardashian sisters searching for model

London: Kim, Khloe and Kourtney Kardashian are searching for a model for their new plus-size denim line Kardashian Kurves and have launched a competition to find a face for the advertising campaign.

The prize includes return flights to Los Angeles, one night`s accommodation in the city and a professional photo shoot for Kardashian Kurves, reports contactmusic.com.

The competition closes July 30, with the sisters judging the entries around Aug 6.

They will base their decision on originality, informational value, and candidates` appeal to a worldwide audience.