Gwen Stefani: Songwriting with No Doubt!

Gwen Stefani walks hand in hand with her cute son Zuma while heading to the doctor’s office for an appointment on Friday (April 12) in Beverly Hills, Calif.

“morning after songwriting for 10 hours straight – hummmm interesting brain numbness going on. gx,” the 43-year-old No Doubt frontwoman tweeted the day after.

PHOTOS: Check out the latest pics of Gwen Stefani

Earlier in the week, Gwen and her husband Gavin Rossdale were seen together after reportedly having a couples therapy session in L.A.

15+ pictures inside of Gwen Stefani and Zuma walking to the doctor’s office…