Kylie Jenner gives birth to baby girl!

After months of speculation - it's OFFICIAL!

Kylie Jenner has just given birth to her first baby with boyfriend, Travis Scott.

The couple welcomed the 8lbs 9oz baby girl on Thursday 1 February.

The 20-year-old took to Instagram to announce the exciting news.

The 'Keeping Up With The Kardashians' star also shared an 11 minute video montage on YouTube with clips from the last nine months as well as throwback videos from when her mother Kris Jenner welcomed her into the world and the bond she shares with her sisters - Kourtney Kardashian, Khloe Kardashian and Kendall Jenner.

They have not decided on a name yet.