The retired sprint great is now one kid short of a very cool-sounding relay team.
The celebrity couple promised a "beautiful surprise" at the end of the video for the song Wild.
Pratt also shares a 7-year-old son with ex-wife Anna Faris.
Being a mother to her baby girl is the "best, best, best part of my life," the actor said.
The couple's new baby, Psalm, will be the little brother of North, Saint and Chicago West.
"I just won’t share them anymore."
Kim Kardashian's Decision To Share A Topless Photo Taken By North Does Not Warrant Calling Her A Bad Mum
Hell, I’ve posted pictures similar to Kim if not worse… so what’s the REAL issue?
Note to haters: do not come for Khloe.
From Wilco and Beyonce to Jagger and Bowie.
What else would you expect?
By sharing my story publicly, I hope it will help people to understand that families come in all shapes and sizes
What’s better than one adorable baby picture? TWO.
There's lots in store for the "Superstore" star.
"We cried together."
Stamos thought his “ship had sailed” when it came to children.
These so-called “friends” need to go.
"This year’s Christmas card is shot really casually. We’re kind of doing jeans and T-shirts vibe. Really cute."