A gushing Gwen said: "I think he wants to be a DJ when he grows up. He can be a Rasta DJ, that'd be great. It's radical that he gets to be on the radio."
The 37-year-old pop superstar also revealed she loved being pregnant because it gave her an excuse to watch bad TV.
She said: "My TV time is really limited but when I was pregnant I made up for that. I loved shows about surgery and pregnancy and things on the discovery channel. It was my guilty pleasure. Gavin would come in and I'd say 'I'm sorry, I'm watching it again.' "

In other news, Gwen Stefani will be lending her talents to the current series of the hit US TV show, American Idol .

The show's host, Ryan Seacrest, revealed that Jennifer Lopez and Gwen Stefani are both confirmed to appear as guest coaches, as are music stars including Jon Bon Jovi, Diana Ross, Barry Gibb, Tony Bennett and Martina McBride.