Through the ups and downs, I got you Chief," the actor wrote Chris Pratt is showing love for Katherine Schwarzenegger on her birthday. On Friday, Dec. 13, the Jurassic World actor, 45, shared a tribute on Instagram to celebrate his wife turning 35.

Chris Pratt is expressing his deep appreciation for his wife, Katherine Schwarzenegger, as she celebrates her 35th birthday today.

Katherine Schwarzenegger shared the first image of her and Chris Pratt’s son Ford Fitzgerald Schwarzenegger Pratt, whom they welcomed last month.

We spoke with Katherine Schwarzenegger Pratt's about the holiday traditions she's passing on to her daughters and the gift she's giving Chris Pratt this year.

Katherine Schwarzenegger and Chris Pratt share daughters Eloise Christina, 2, and Lyla Maria, 4, and son Ford, and Pratt is dad to son Jack, 12, from a previous relationship. The proud mom has shared the first picture of Ford on Instagram.

Katherine Schwarzenegger gave Us a peek at her and Chris Pratt’s newborn baby. “November ,” Schwarzenegger, 34, captioned a photo dump of special moments from last month shared via Instagram on Friday,

Chris Pratt has admitted that he feels "grateful" to have married Katherine Schwarzenegger as he made a special post on Instagram for her birthday.