Green Day won five Grammy Awards for Best Alternative Album, Best Rock Album, Record of the Year, Best Rock Album, and Best Musical Show Album.
The group has won five Grammy Awards : Best Alternative Album for Dookie , Best Rock Album for American Idiot , Record of the Year for `` Boulevard of Broken Dreams '' , Best Rock Album for the second time for 21st Century Breakdown and Best Musical Show Album for American Idiot : The Original Broadway Cast Recording.
