Michael Phelps' fiancee, Nicole Johnson, couldn't be more proud of her soon-to-be husband's performance at the 2016 Olympic Games in Rio.

In a recent Instagram post, Johnson spoke of Phelps and his dedication to swimming.

"I'm at an absolute loss for words. Couldn't be more proud of @m_phelps00. He is the epitome of working hard, dreaming big and achieving the all American Dream. #myfamily #20 #21 #25 #3down," Johnson captioned the photo below.

Although Phelps retired after the Olympic Games in London four years ago, he is definitely ready to say goodbye this time around.

“Done, done, done — and this time I mean it,” Phelps told Matt Lauer during Monday's episode of Today, via a Gossip Cop report. “I wanted to come back and finish my career how I wanted, and this was the cherry on top of the cake that I wanted.”

During the Rio Olympics, Phelps won five gold medals in six races and a silver medal in another.

“The biggest thing between now and London, I was so much more emotional during these games. I think that showed at times on camera," he continued. "That’s the difference, because I knew this was the last time. I knew this was the last race that I ever had, the last Olympics that I ever had. And everything just really hit hard.”

Tags: Nicole Johnson michael phelps olympics Rio Olympics