SEE ALSO: As One releases MV for newest title track 'What Are We?'

Her husband Mr. Cho shared the good news on the 17th, "[Crystal] is currently 19 weeks into her pregnancy. She entered the stable stage of her pregnancy."

Crystal tied the knot with Mr. Cho, who is two years her senior and a former manager for the duo, back in September after 10 years of dating. As One also returned to the K-pop scene with the title track "What Are We?" from their new mini-album, 'Simply As One', released on the 15th.�As One will perform their new single for the first time on 'M! Countdown' later today!

We wish Crystal and her new family all the best!