Belinda Carlisle -- Elvis' Ex?

10/26/2009 1:05 AM PDT BY TMZ STAFF
Here's former Go-Go's lead singer Belinda Carlisle, 51, at some event (left) -- and Elvis Presley's ex-wife Priscilla Presley, 64, earlier this year (right).

Belinda and Priscilla
Our lips are sealed.

We're just sayin'.