Kathy Valentine has left The Go-Go’s. The Go-Go’Sat 11 PM (ET) on Friday night, the Go-Go’s posted the following statement to their Facebook: The Go Go’s have parted ways with bassist Kathy Valentine, citing irreconcilable differences. The rest of the lineup, original since 1979 (BELINDA CARLISLE OFFICIAL , Charlotte Caffey, Gina Schock and Jane Wiedlin)