Wedding bells: Joe Jonas and Sophie Turner are officially engaged, the couple confirmed in an Instagram post Sunday (October 15).

A source told Us Weekly that the couple, who first began dating in 2016, are thrilled to spend their lives together.

"They are madly in love, the source said. "She's young but mature and comes from a small English town, so it's not that out of the ordinary and age doesn't create an issue. They are really good together and his friends and family love her and vice versa, but they aren't rushing to get married."

And Joe's bros didn't waste any time congratulating the newly engaged couple.

Kevin wrote: “Congrats @joejonas and @sophiet so happy to welcome you into the family!” while Nick posted "Ahh! Congratulations to my brother… and sister in law to be on your engagement."

In July, Turner told Entertainment Tonight that the couple's relationship was successful because it observed a universal standard.

"I think the key is to remember that it's just like any other relationship and if you're in Hollywood or if you're in Africa, it's all the same," Turner explained, adding, "Just love and be loved!"

A Sparkly Collection of Celeb Engagement Rings:

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