Former Olympic swimmer Michael Phelps is expecting his fourth child with his wife, Nicole Phelps.

Michael Phelps Welcomes 4th Child With Wife Nicole: ‘So Blessed’ The Olympic swimmer shared a sweet new photo of him and his spouse lovingly cradling the newborn, in the announcement post.

Nicole Phelps announced her pregnancy in a sweet post to celebrate her seventh anniversary of being married to Michael Phelps.

Jan. 23 (UPI) -- Michael Phelps is a dad of four. The former Olympic swimmer recently welcomed his fourth child, son Nico Michael, with his wife, Nicole Phelps.

Son No. 4: Olympic swimming champion Michael Phelps and wife Nicole Johnson announced the birth of their fourth child. (Tiffany Rose/Getty Images for Harold & Carole Pump Foundation) ...

Michael Phelps's wife, Nichole Phelps, has given birth to the couple's fourth baby. They are already the parents of sons Boomer, Beckett and Maverick.

Michael Phelps and his wife Nicole—who are parents to three boys—just confirmed they're expecting their fourth child together.

Phelps, whose 28 swimming medals at the Olympics include 23 golds, and his wife, Nicole Johnson, announced the birth of their fourth child on Monday in an Instagram post.

The Olympics’ most decorated medalist added another family member last week. Now, Michael Phelps has enough sons for a swimming medley relay event.