Chris Pratt Wishes Katherine Schwarzenegger Happy Birthday on Instagram

Chris Pratt wished girlfriend Katherine Schwarzenegger a happy birthday on Instagram in a super cute message. The couple has been dating since April and it seems this is the first time Chris has posted about their relationship on social media. Seems he's making things official! Chris' message read:

"Happy Birthday Chief! Your smile lights up the room. I've cherished our time together. Thrilled God put you in my life. Thankful for the laughs, kisses, talks, hikes, love and care."

Awwww! He calls her Chief. See the post below and read more about it HERE!