Is ska still popular? Was it ever popular?
That is Courtney Love, not Gwen Stefani. Courtney love is the nastiest skank going in the music industry.
I'm no music industry professional. I don't think ska in general is all that popular, but No Doubt's music is.
Ska's been around since the late '50s/early '60s, so it has some longevity, and yes, it has enjoyed a resurgence as of late.
Ska spawned rock steady which spawned reggae.