Kim Kardashian has joked that is having sex with husband Kanye West five hundred times a day.

The amorous couple had their first child North in 2013 and Kardashian is wanting more.

In a new preview clip to promote reality TV show Keeping Up with the Kardashians, Kim said that she is trying hard to get pregnant again.

She said: "I've been having sex 500 times a day."

The couple meanwhile are currently in Europe.

West performed a surprise show at London's Koko venue on Tuesday (March 3).

Watch Kanye West perform live below: