"Game of Thrones" actress Sophie Turner and singer Joe Jonas announced via Instagram Sunday that they are engaged.

"I said yes," Turner. 21. captioned a photo of her hand -- with a large diamond ring on it -- resting on top of her fiance's.

Jonas, 28, posted the same image on his account, writing, "She said yes."

EOnline said the celebrities have been dating since at least December 2016.