Kourtney Kardashian is pregnant with her husband Travis Barker's first child.

She made the pregnancy announcement during a performance of Travis Barker.

Kourtney also posted the first official photographs of her pregnant belly on Instagram.

On Friday, Travis was playing in Los Angeles with his band.

Travis posed with drumsticks as he taps on his wife's pregnant tummy.

The couple looked all mushy in the photos.

Kourtney can be seen holding a placard that read, 'Travis, I'm pregnant'.

She wore a see-through black blouse and matching leather trousers.

Kourtney also recorded the moment of her surprise announcement.

All Images: Instagram/kourtneykardash