This includes celebrating special moments.
“Happy 15th birthday Zuma!!!”
“We love u more than anything.”
Stefani topped it off with emojis of a blue heart, a party horn, and a birthday cake.
There’s also a shot of Zuma and Shelton together, displaying a drawing Zuma created.
Thousands of fans joined the congratulations.
One joked, “How can he be 15 when I am still 23?”
This isn’t the first time Stefani has gone public with birthday greetings.
She’sofferedsimilar online messages to her oldest son, Kingston, and to heryoungest boy,Apollo.
