Commercial: Brand as band

While the news that there are no original Sugababes left in said band poses an important philosophical dilemma, as raised by Blarty this morning, I'm more intrigued by the notion as to whether there's ever been a band that has carried on - successfully - without any of its founder members. And by carrying on, I mean not having broken up and then returned for a comeback. I genuinely can't think of any. Ideas?

Oh, and for the record: