John Stamos may be a big star in Hollywood with roles in Scream Queens and Fuller House, but one thing he always makes time for is giving back to his fans. The actor visited Long Beach Memorial Medical Center with his Grandfathered costar Josh Peck on Tuesday, where he encountered a very special young girl named Amanda. After chatting with Amanda for a few minutes, she revealed that she was recently dumped by her boyfriend. In an exclusive video from People, John decides to take matters into his own hands and call up Amanda's ex to get revenge. "Jorge, this is John Stamos," he said while leaving a voicemail on the boy's phone. "I'm with Amanda, my new girlfriend. Apparently you guys broke up and I swooped right in. So, your loss, Jorge — your loss, because Amanda is a great gal." Jorge then answers the phone mid-voicemail, and John proceeds to tell him, "I think you made a big mistake." Watch the video above to hear Jorge's reaction!
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