Shawn Mendes brought out a very special guest at his show in London. On Aug. 16, the "Treat You Better" singer, 27, surprised ...

The Jonas Brothers performed in Virginia Beach, Va. as part of their JONAS20: Greetings From Your Hometown Tour, as Nick, ...

Jonas Brothers Just Stunned Fans With ‘Beautiful Soul’ Surprise Guest, Leaving Fans Asking 'What Year Is It?' originally ...

The Cincinnati Open organized surprise visits for fans from the game's biggest stars like Aryna Sabalenka and Jannik Sinner. Here's how they did it.

However, perhaps the biggest surprise of all was the appearance of Simon Cowell. It has led to fans demanding he be signed up ...