Probably not much of secret by now, however GREEN DAY has announced a secret show! Thursday August 11th, doors at 8:00 PM at The Tiki Bar 1700 Placentia, Costa Mesa, CA. Tickets $20 at the door. photo © Erik Thureson/BestMusicLive All proceeds donated to the Cystic Fibrosis Foundation. NO PRESALE, STRICT NO CAMERA, NO CELL…