Kim Kardashian worried about derriere

Kim, who is expecting her first child with rapper boyfriend Kanye West, reveals her worries in the latest episode of "Kim and Kourtney Take Miami", reports mirror.co.uk.

Kim Kardashian. Pic/Santa Banta

Kourtney, who has two children of her own, gets a cushion and shoves it up Kim's shirt to show her how it will feel when she gets bigger.

Although Kourtney tells Kim that she will make a great mummy, Kim says: "It's going to be so awful. My a'' is going to get so big."