Michael Phelps And Fiancée Nicole Johnson Expecting First Child Together

19/11/2015 10:16 GMT | Updated 19/11/2015 10:59 GMT

Michael Phelps has said he is well aware his "life is about to change" as he is set to become a dad for the first time.

The 30-year-old Olympic swimmer announced on Instagram his fiancée Nicole Johnson is pregnant with a baby boy.

"We found out eight weeks ago we were expecting," Phelps wrote alongside a sweet photo of the couple.

A photo posted by Michael Phelps (@m_phelps00) on

Phelps added: "Today we're over 12 weeks and it looks like we're having a boy #babymp #mp #lifeabouttochange."

The swimmer is pictured next to the pool holding a mini pair of trunks with the initials 'MP' on the front.

Mum-to-be Johnson shared the same picture on her Instagram account with her own announcement.

"Today marks 12 weeks and 5 days of us having a little one and yesterday we learned we're having a BOY. We couldn't be happier! #babymp."

Phelps and the former Miss California began dating in 2009 and have been on and off for six years. They got engaged in February 2015.


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