Fans speculated that wedding bells were on the way after the actress posted a photo showing off a large ring on her finger.
The photo comes ahead of the duo's new song.
The "Stranger Things" star also revealed that her fiance proposed using her mother's ring and talked about wedding plans.
Jenner's big sis Kim Kardashian was also in attendance.
On their one-year wedding anniversary, the couple gave Vogue a behind-the-scenes look at their at-home nuptials.
“The two are in a stage where they are getting to know each other slowly," Bo-hyun's reps said.
"I love, respect and admire Raul very much," the star wrote in a message to fans.
The shirt was a gift from fans in Perth, Australia.
The couple treated their little girl to a celebration at Nickelodeon Universe in New Jersey.
"Because im obsessed w me fiancé and WE’RE REAL," the star wrote on Instagram.
