Chris Pratt FINALLY Makes His Relationship With Katherine Schwarzenegger Instagram Official!

Finally!
Chris Pratt and his boo of many months have finally become Instagram official — thanks to a sweet as pie birthday post from the Jurassic World star!
Related: Will Chris And Katherine Be Engaged Soonish??
To celebrate Katherine Schwarzenegger‘s 29th year on Thursday, the actor posted a sweet collage, even revealing the brunette’s pet name — Chief!
Ch-ch-check out the full adorable post (below)!

AWWWWW!!
[Image via Instagram]