Michael Phelps and Nicole Johnson are married, quietly tied the knot in June

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 above.

Michael Phelps' gold-winning dad moments
See Gallery
Michael Phelps' gold-winning dad moments
Not the best pic but one with so much meaning❤️ daddy got to feel baby p for the very first time😍 & he even saved a kick for his auntie @arschmitty
The little man didn't wanna miss national selfie day!! @boomerrphelps #nationalselfieday
9 years ago today you walked into my life @m_phelps00 who knew through all the ups and downs that 9 years later we would have started to build our family 💗 I love you and I can't wait for what our future holds!! Thank you @brandonblattner for capturing this moment
Boomer says what's up y'all!!! @nicole.m.johnson
These 2 mean absolutely everything to me 💙
Nothing like being home with the family!!! @nicole.m.johnson
It truly is just the best.... The feeling of the little guy relaxed and sound asleep on my chest! @boomerrphelps @nicole.m.johnson
I love our FaceTime chats with daddy @m_phelps00 especially when he tries to be serious and boomer just laughs 💖 #thesetwohavemyheart
Happy 1st Fathers Day @m_phelps00!! You're such an incredible daddy to boomer already 💙 & you can already see in Boomers eyes how much he loves you!! I look forward to watching your relationship grow 😍 #loveyou #family
The little man loved the water today!! @boomerrphelps and I got some extra laps in today!! #mpswim
I'm a proud daddy!! Finally figured this out!!! @uppababy #helovesthecar #fathersday @nicole.m.johnson
Getting kisses from daddy while he works 😍 @m_phelps00
I got to spend the day at the @atlantaaquarium yesterday with the family!! @nicole.m.johnson @boomerrphelps We were in so pumped to see the animals!!
#RioReady!! Thanks @underarmour for the early morning delivery!!! And thanks to Nina for my #mp & #usa #nails!!! 💙❤️ #herewegoooo #nodiamondsinrio #replacementring
So excited to spend a lil r&r with these 2!! @m_phelps00 @boomerrphelps #mymen
There's nothing like being back home!! Great way to spend my first day in retirement!! @boomerrphelps @nicole.m.johnson

Read Full Story

Sign up for Entertainment Insider by AOL to get the hottest pop culture news delivered straight to your inbox!

Subscribe to our other newsletters

Emails may offer personalized content or ads. Learn more. You may unsubscribe any time.