The actor is engaged to the TV host after one year of dating, Us Weekly confirms.
Him and his fianceé were seen in New York City this week discussing their wedding plans.
"A woman sitting outside having breakfast shouted Kellan’s name and he walked over to her with Brittany. She was congratulating them and asked them if they were getting married in New York or L.A..” the observer told Us. "They walked into the restaurant and when Brittany opened the door i could see her large engagement ring!"
Congratulations to the couple!