Bristol Palin just became a mom for the second time!
The 25-year-old reality star gave birth to her first daughter on Wednesday, according to a message she shared on Instagram.
WATCH: Bristol Palin Is Naming Her Baby Girl Sailor
"My sweet Sailor Grace was born yesterday," she wrote on Thursday. "Our family couldn't be more complete."
Sailor joins 6-year-old brother Tripp, Bristol's son with ex-fiance Levi Johnston.
Bristol has had the name for her baby girl picked out for at least a month. She posted an Instagram pic in November showing items she already embroidered with her unborn daughter's name.
WATCH: Bristol Palin Shows Off 5-Month Baby Bump
At the time, Palin joked that Kristin Cavallari ripped off her idea when she named her baby Saylor, despite the difference in spelling.