On Tuesday, the fitness trainer posted an Instagram story of the 3.02-carat diamond ring, captioning it: "No words."
Do we really need any more confirmation than that?
Laat year the adorbale couple welcomed their daighter, Mila, on December 5th.
At the time, the proud new dad gushed: "Last night at 10.15pm the world became a better place, the birth of our baby girl Mila Elle has been the most magical adventure ever."
Kris also shares an eight-year-old son Ethan with singer Dannii Minogue.