Justin attended the wedding along with Carly Rae Jepsen.
Justin and Carley performed at the wedding and Ed Sheeran belted out a tine too.
Other celebrity guests that attended where Tom Hanks, Rita Wilson, Sophia Bush, and plenty more.
At the wedding Justin performed All You Need Is Love by The Beatles to the guests in attendance.
Then Carley jumped up on the stage to sing Call Me Maybe!
Looking at some of the photo and videos shared online it looked like a very special day and everyone had big smiles on their faces.