KATHERINE Schwarzenegger is the author who's stolen the heart of Hollywood's Chris Pratt.
Here's everything you need to know about her...
Who is Katherine Schwarzenegger?
Katherine Schwarzenegger, 29, is the daughter of US actor and politician Arnold Schwarzenegger and broadcast journalist Maria Shriver.
She is an author and has written several books including Rock What You've Got: The Secret To Loving Your Inner And Outer Beauty in 2010.
After graduating college in 2012 she compiled advice from a variety of professionals to produce the book I Just Graduated...Now What?
She also wrote a children's book about her dog in 2014 called Maverick and Me.
Who are Katherine Schwarzenegger's siblings?
Katherine has a younger sister, Christina Schwarzenegger, 27, and two younger brothers, Patrick, 25, and Christopher Schwarzenegger, 21.
Through her father, she also has a half-brother, Joseph Baena, 21.
Christina is a producer who worked on the 2018 Netflix documentary about Adderall called Take Your Pills with her mother.
Patrick is an actor and has appeared in the films Grown Ups 2, Go North and Midnight Sun.
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When did Katherine Schwarzenegger start dating Chris Pratt?
Katherine started dating Chris Pratt in July 2018 when they were spotted together at a church service with Chris' son.
Chris made their relationship public in December 2018 when he posted a sweet Instagram post for Katherine's birthday.
The caption 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."
On January 13, 2019 Chris revealed the pair had got engaged.
Chris was previously married to Anna Faris but they split in August 2017 after eight years of marriage.
They have a five year old son, Jack.