" Johnson wrote on Instagram following news of the proposal.

"I'm the luckiest girl in the world because last night the love of my life @robert_herjavec asked me to marry him and I said yes!

πŸ’πŸ‘°πŸΌπŸŽ‰ A photo posted by Kymjohnson5678 (@kymjohnson5678) on WATCH: Kym Johnson Opens Up About 'Great' Relationship With 'Shark Tank' Boyfriend Robert Herjavec ET caught up with Johnson in October and she couldn't help but gush about her beau.

Check out 10 real-life couples from where he and his pro partner Cheryl Burke ended up doing fairly well on and off the dancefloor.

WATCH: 'DWTS' Couple Robert Herjavec and Kym Johnson Really Are 'Madly In Love' The newlyweds surprised the crowd with two highly orchestrated dance numbers.

The judge proposed back in February with a gorgeous 6.5-carat ring and surprised Johnson by bringing all of her loved ones together, including her mom from Australia to celebrate the milestone.

"I never thought a year ago I'd meet someone who would change my life completely!

" I never thought a year ago I'd meet someone who would change my life completely !I'm the luckiest girl in the world because last night the love of my life @robert_herjavec asked me to marry him and I said yes!has become one of the most successful reality competition shows on television.Fans love the show for all the work, dedication and emotion every star puts into learning their dances and working with their pro partners.With so many emotions and so much time together for both the pros and the stars, it isn’t surprising that there have been rumors of hook-ups and break-ups within the cast.Many stars have been linked to their pros, and while rumors fly every season, a few relationships really have come from the show.