After being friends for years Justin and Hailey became closer in 2014.
In late 2015, they went alongside Justin’s family on vacation together and on NYE Justin posted a photo on Instagram of him kissing Hailey.
Since then the couple has been together for a couple of months and during that time Bieber spoke about her in an interview hypothetically thinking about Baldwin as “the girl I’ll marry” and about not wanting to hurt her.
After Bieber’s split with Selena Gomez she was one of the few important relationships that he had.
In June 2018, Justin and Hailey were spotted in Miami, going to a conference together. Throughout June more photos of the two showed them as a couple. There are photos of them cuddling, holding hands, and kissing in Brooklyn, New York. Justin has been on the set of Hailey's photoshoots.
In July 2018 Justin proposed to her in The Bahamas. They secretly got married in court. Hailey changed
her instagram name from Hailey Baldwin to Hailey Bieber.
- Justin wrote a song for her called "What Did I Do".
- They recently got engaged in July 2018.