The couple married in 2017 and share two biological children- Jagger and Stella.
The former adult star posted on her Instagram, confirming she had filed for divorce after claiming the celebrity mechanic had cheated on her – only to regret it.
Jenner and Scott are also parents to their daughter Stormi, 5.
Fans and viewers were quick to praise Slaton for her much slimmer and healthier appearance.
This is the third child for Kristopher Brock, a stylist.
The couple had announced they were starting a family in January alongside a picture of the baby’s ultrasound.