"I was ready to hand over the crown. but I guess I am still queen of the house. #itsaboy #surroundedbyboys" she wrote.
Stefani, 44, has been married to musician Gavin Rossdale, 48, for 11 years, People.com said. They are the parents of Kingston James McGregor, 7, and Zuma Nesta Rock, 5.
Swim Week Miami Beach 2014 [PHOTOS]