Green Day - The Things They Say: 3538330
"I can't go there. That's my last drink, which is good. It's documented. Anytime I feel like drinking, I can think about it." Green Day star Billie Joe Armstrong can't bear the thought of watching his meltdown onstage at the iHeartRadio festival in Las Vegas last year (Sep12). The rocker checked into rehab the following day to tackle substance abuse issues.