Gwen Stefani is used to being the only girl in No Doubt, but now she will have to get used to being the only girl in her family as well, as she and her husband Gavin Rossdale have confirmed that they are expecting a boy!

E! News is reporting that the mogul, actress, singer, and owner of the LAMB clothing line took to Instagram with a crown on her head and the caption, "I was ready to hand over the crown, but I guess I'm still the Queen of the House," before acknowledging that she was pregnant with yet another boy, and announced that she was "surrounded by boys."

The baby, whose due date hasn't been announced but is expected to arrive any day now, will join Kingston & Zuma Rossdale. In addition, Gavin -- formerly the lead singer of Bush -- has a daughter, model Daisy Lowe, from a previous relationship with clothier Pearl Lowe.

Sources close to the couple revealed that the couple was expecting another baby in September 2013. Stefani and Rossdale have one of the longest relationships in rock'n'roll: they have married since September 2002.

Stefani and Rossdale met in the 1990s, when No Doubt was opening for Bush during a world tour. At the time, Stefani had just gone through a very public breakup with her No Doubt bassist, Tony Kanal. Rossdale, for his part, had broken up with his longtime girlfriend Jasmine Lewis and was dating the likes of Courtney Love before finally committing to Stefani.

Congratulations to the couple! May the baby be happy and healthy!