Lance Bass announced on Twitter today that he's engaged to boyfriend Michael Turchin.
"He said YES!!" Bass tweeted "Love this man."
"Happiest guy in the world," wrote Turchin.
The couple, who live in Los Angeles, has been dating since December 2011 and got engaged while in New Orleans, according to US Weekly, which was first to report the news.
Turchin is an actor and model, and self-described "nice Jewish boy" on Twitter. Bass is the former member of 'N Sync, and an activist, among other things. He was most recently on stage during the band's reunion during the MTV video music awards.
Here's the photo Bass shared of the couple: