Karaoke wizard! Daniel Radcliffe raps Eminem's 'Real Slim Shady' like a boss

The Real Slim Shady just stood up…and it's Harry Potter. Who knew the boy wizard had a secret talent for potty-mouthed lyrics?

Daniel Radcliffe basically inhabited Eminem's body during a karaoke stint with actress girlfriend Erin Darke at Cameron's Pub in Half Moon Bay, California.

Watch Daniel's word-perfect performance of 'The Real Slim Shady' above. Now we're really convinced – all you other Slim Shadys are just imitating!

While the 25-year-old could well embark upon a future rap career, we wouldn't trust him as a receptionist. Last week, NYLON magazine put him to the test and he failed spectacularly. Check it out: