Former "Keeping up with the Kardashians" star Kylie Jenner announced on Sunday that she had given birth to a girl on February 1 after opting to keep her pregnancy private.
Using Twitter, Jenner explained why she opted to keep her pregnancy out of the public eye.
"I knew for myself I needed to prepare for this role of a lifetime in the most positive, stress free and healthy way I knew how," she tweeted.
The girl, whose name has not been publicly released is 20-year-old Jenner's first child.
— Kylie Jenner (@KylieJenner) February 4, 2018