Get Ready to Rock. Get Ready to Roll. Get Ready for Ricki. Watch and share the brand new trailer for Ricki And the Flash which rolls into theaters on August 7th. Jonathan Demme (Something Wild, Rachel Getting Married) directs, and it’s written by Diablo Cody. Meryl Streep is starring as a rocker in a band called The Flash. Let me repeat that. Meryl Streep is starring as a rocker in a band called The Flash. Awesome.