Before he skyrocketed to Twilight fame, Robert Pattinson dreamed of his career taking a different path.

"I used to want to be a rapper when I was, like, 14," he says on The Oprah Winfrey Show Thursday (see clip above).

PHOTOS: Twilight stars' love lives

His costars, girlfriend Kristen Stewart and Taylor Lautner (who appear with him on stage), can't help but contain their laughter.

Speaking of Pattinson, how does the British-born heartthrob master an English accent.

He explained, "I grew up watching American movies and stuff."

Tell Us: Would Robert make a good rapper?