What's it like when your dad is the Piano Man and your mom is the Uptown Girl? Kate and Oliver get a front row seat when siblings Alexa Ray Joel and Jack Brinkley-Cook join the revelry!
They take us through the height of their parents' careers, to the downfall of their marriage, and right back to the glue that keeps this family together forever!
Plus, Alexa Ray gets real about the racy kissing scene in her new music video!