Billie Joe just took to Twitter to announce that Green Day will be playing a surprise show tonight in Sydney, Australia. The show will start in approximately 40 minutes from the time of this posting.

hello Aussie! Green Day is playing tonight at a club called Captain Cook Hotel TONIGHT in Sydney. I repeat, TONIGHT! Feb 20th around 11:00pm

— Billie Joe Armstrong (@BJAofficial) February 20, 2014

The Captain Cook Hotel has a capacity of 200 so it will be a quite intimate performance. We will continue to update this post as more information from the show comes in...