Kim Kardashian has a ''booty tailor'' on call at all times.

The 'Keeping Up with the Kardashians' star - who has a seven-month-old daughter, North, with fiancé Kanye West - spends a reported £3,000 a day ensuring the services of her favourite tailor are always available so any new garments are ready to wear within hours of purchasing them.

A source said: ''Kim already spends thousands of dollars on her jeans. But it's important to her that they fit perfectly.

''She could get alterations done for free at Neiman's but she and Kanye didn't feel that was good enough so have employed his stylist and tailor, Cornelius Clay, to make alterations when needed. It means Kim can buy jeans, have the, altered and be photographed in them within a matter of hours.''

Kim's small waist, big butt and short legs mean finding trousers that fit is difficult and she even has her own Kardashian Kollection clothes altered.

The source also told the UK's Grazia magazine: ''Cornelius can make a £50 pair of jeans look like they've just come off the runway. Kim is very curvy. She has a size 4 waist and a 10 bottom, so she often has to buy a size up and have jeans taken in at the waist for a snug fit.

''She's only 5ft 2in, so they're often taken up a few inches too.''