Michael Phelps and Nicole Johnson Are Married, Quietly Tied the Knot in June

This video is unavailable because we were unable to load a message from our sponsors.

If you are using ad-blocking software, please disable it and reload the page.

Michael Phelps is a married man!

The 31-year-old Olympic gold medalist married his girlfriend, Nicole Johnson, on June 13, ET can confirm.

WATCH: Shia LaBeouf and Mia Goth Marry in Live Streamed Las Vegas Wedding

The couple, who obtained their marriage license in Arizona, got engaged last February and took to social media to share the happy news. "She said, yes," Phelps wrote on his Instagram at the time.

In June, on the actual date of their wedding, Johnson posted a family photo with the caption, "Such a memorable night with my lil fambam boomer obviously didn't want to hold still."

RELATED: Ciara and Russell Wilson Are Expecting Their First Child!

Phelps and Johnson welcomed their first child, Boomer Robert Phelps, in May and have shared many candid moments with their little bundle of joy.

For even more baby Boomer adorableness, watch the video below.

Related Gallery