She and husband Gavin Rossdale were seen taking the little fellow and his brothers Kingston, who turns eight on Monday, and Zuma, five, to visit friends over the weekend.
CLICK ON PHOTOS TO ENLARGE
Three-month-old Apollo, who now has a fair sprinkling of hair, looked sleepy as his mother cradled him in her arms.
On seeing photographers Gavin flashed a peace sign. The V may also be referring to his wife's new role on The Voice.
Gwen is certainly excited about taking a seat on the panel next to veteran judges Adam Levine and Blake Shelton, as well as fellow newcomer Pharrell Williams.
NBC has confirmed that Christina Aguilera, who has served as a judge for season one, two, three and five, will return to The Voice for season eight. She is taking time out to have a baby with fiancé Matt Rutler.
On hearing about her baby news Gwen tweeted Christina: "@xtina congrats on yr baby bunny. Apollo & i cant wait to hang out w all the crazies #thevoice #surroundedbyboys." gx
Christina replied: "Welcome to our crazy fam. #blondesdoitbetter."