Inside Michael Phelps' Secret Wedding

The Olympic swimmer shared photos from his June nuptials.

ByABC News
October 30, 2016, 12:18 PM

— -- Michael Phelps said he kept his marriage to Nicole Johnson Phelps a secret for months "just because."

Now the Olympic swimmer and his bride seem comfortable opening up about their big day. The two are giving fans a peek inside their picturesque wedding by sharing photos on Instagram.

There's no word on where the two actually tied the knot, but according to photos shared on Instagram, it appears they wed on a golf course near the Pacific Ocean.

Phelps, 31, captioned a photo of the two walking down the aisle: "My best friend.... I love you!!"

Johnson Phelps, who has officially changed her Instagram handle to "mrs.nicolephelps," captioned another photo of the two on their wedding day: "Truly the happiest day of my life."

According to a record of marriage obtained by ABC News, the Olympic gold medalist and the former Miss California USA wed on June 13. The certificate is registered in Paradise Valley, Arizona.

In a Facebook Live chat on Thursday, Phelps spoke for the first time about his secret wedding.

"I had to keep it a secret from y’all. I had to keep it hush-hush from you guys," he said, smiling. "But Nicole and I are married. We are officially married."

Phelps and Johnson Phelps, who is also 31, announced their engagement in February 2015. The two had an on-again, off-again relationship for eight years before getting engaged. They are parents to a 5-month-old son, Boomer.