Kim Kardashian is keeping her fans updated with her pregnancy progress while expecting her second child.

On Friday, the 34-year-old revealed that she is five months along, and has gained 20lbs.

Kim, who has finally started to show, admitted that she was pleased to read rumours she wasn't actually expecting, because she looked too slim.

 Starting to show: Kim Kardashian (seen here on Thursday) has revealed that she has gained 20lbs during her 20 week pregnancy

'Can't hide it now!': The 34-year-old admitted she 'secretly loved' rumours she wasn't really pregnant

Growing family: Kim and husband Kanye West (pictured last week) are expecting a baby boy

Kim had predicted a few days earlier that her bump was 'about to pop'.

She tweeted on Monday: 'I'm at the stage now where I wake up with a flat belly but then as I eat and by the end of the day it pops out! This means it's about to pop.'

Kim announced in May that she and husband of one year Kanye West are expecting their second child, and confirmed on Father's Day that they will be welcoming a baby boy.

The happy couple are already parents to two-year-old daughter North