"Got myself a fiancé just before new year", he wrote on an Instagram photo of him and Seaborn.
The couple announced their engagement on Instagram over the weekend.
The pair have known each other since school and now Sheeran will quit music much sooner than most would like. She now works as a senior consultant in risk advisory at accounting firm Deloitte, according to DailyMail.com.
Louisan Sterling K. Brown wins SAG Award
In the television categories, Claire Foy was named Best Actress in a Drama Series for The Crown and Sterling K. Backstage, the Shawshank Redemption star said he believed the most important part of his job was "truth".
She took her degree in molecular biology at Durham University in England. The pair was also spotted in Vegas that same year partying with Calvin Harris. Sheeran previously revealed that they began dating after his BFF Taylor Swift invited Seaborn over for her famous Independence Day fete at her Rhode Island home.
Sheeran reportedly had a crush on Seaborn even back then, despite her being in the year below. In December that year, Seaborn transferred to the London office so that she could move in with Sheeran. "I'm really secure now, we live together and we have cats", he said, "and I think when you have cats that's kind of it". But, to be fair, if we could all use our kids as an excuse to quit our jobs we probably would. Last year, a bicycle accident left him with a broken wrist, elbow and rib and he credited her with nursing him back to health, The Guardian said.
Despite their different career paths, the pair came together in 2015 when they bumped into each other in a bar in NY. "But I think if you ever enter into a long-term relationship and you have a doubt, then you shouldn't be in the long-term relationship".