Now, the Game of Thrones actress and the Jonas Brothers singer are reportedly home and spending all their time with their new bundle of joy.
A source tells E! News, "They are home and getting settled. Joe is very hands on and involved. He wants to do everything he can and loves being with the baby and helping Sophie."
The insider said that Joe and Sophie are both "so excited to be parents," to their newborn daughter that they've "been texting pictures to friends and calling on FaceTime to show her off."
"Everyone is very excited for them," the source added.
E! News learned that the 24-year-old actress and 30-year-old musician were expecting back in February, but the notoriously private pair didn't comment or publicly speak on the news.
The couple was first speculated to be dating around four years ago, and within a year of being spotted together at the 2016 MTV EMAs, Joe and Sophie announced they were engaged.
Take a look back at Joe and Sophie's road to parenthood here!