Michael Phelps and Wife Nicole Welcome Baby No. 2 -- Find Out Their New Son's Name!

The happy couple took to Instagram on Tuesday to announce the birth of their brand-new baby boy.

Michael Phelps and wife Nicole are new parents once again!

The super cute couple welcomed their second baby on Monday, son Beckett Richard Phelps, and announced the news with a few heartwarming snapshots.

The Olympic gold medalist took to Instagram on Tuesday to post a super sweet photo of his beaming wife and their adorable 1-year-old son, Boomer, holding their new bundle of joy while lying in a hospital bed.

"Magical moments yesterday... Nicole and I would like to introduce Beckett Richard Phelps to the world! We had a healthy baby boy and a healthy mama," Phelps wrote. "I truly do feel like the happiest man in the world. Being able to build our family to now 4 (6 with doggies) is so incredible! #familyof4now."

The excited new mom shared a similar photo to her Instagram as well, this one showing her proud husband sweetly holding her hand as she and Boomer cradle baby Beckett.

"Our family grew by 1 yesterday," Nicole captioned the touching family photo. "I’m surrounded by boys and I couldn’t be happier."