Cyrus, 20 and Hemsworth, 22, wore the rings on their left-hand ring fingers on Christmas Day and posted picture on Twitter, reported the Huffington Post.
In one picture, Cyrus is seen wearing a leopard printonesie and a Santa hat and beard on Christmas Day. Her finger appears to show two rings - an engagement ring and seemingly a wedding band.
Another image that Cyrus posted on her account appears to show that Hemsworth also sporting a wedding band on his ring finger.
On June this year, the couple announced that she and Hemsworth are engaged.