Legendary rocker Rod Stewart was performing for a charity event for the Prostate Project and European Tour Foundation Saturday night when he took a moment to reveal to the crowd that he himself had battled prostate cancer two years prior. But thank goodness, he also revealed some very good news and offered some very good good news to to guys in the crowd. He caught it early and said "Guys, you really gotta go to the doctor!" He's not the only that night. Check it out.