In one of three black and white images posted to Instagram, Cyrus wrote "this is probably our one-millionth kiss".
The pop diva shared images of her happiness on her Instagram and Twitter accounts with the caption "10 years later...".
Fans started speculating about Cyrus and Hemsworth's wedding over the weekend, thanks to various social media posts that showed the pair's celebration.
They reconnected in 2015, however, and the couple's romance was back in full swing by summer 2016, including dinner with Hemsworth's parents, date nights and spending holidays together.
Dressed in a white off-the-shoulder gown, Miley kisses her new husband - who is wearing a traditional tux - in one photo.
The couple became engaged in 2012 but then broke it off the following year and separated. He captioned the photo: "My love", with a heart emoji.
Cyrus also shared a video of her dancing to the Mark Ronson and Bruno Mars hit Uptown Funk, where she is seen dancing barefoot in front of a Christmas tree.
Other celebrities, such as author, Nicholas Sparks, also shared their joy for the happy couple.
It comes after the couple lost their Malibu home in the California wildfires last month.