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Gwen Stefani and her nanny took adorable little Zuma (with drumsticks in hand!) for a walk in LA, on Sunday. Is the youngest Stefani-Rossdale following in his parents' footsteps and practicing for a music career so soon?

The rambunctious two-year-old is getting ready to celebrate his third birthday on August 21, so maybe he'll finally get to rock his own colorful mohawk like his big bro, Kingston.

There has been a lot of drama recently surrounding Stefani's LAMB fashion line, and the fact that she will not be attending New York Fashion Week this year for her own label's fall fashion preview -- a big no-no in the fashion world.

Find out why the busy mamma is skipping out on her own fashion show in NYC next month, after the jump ...