Potter Stars Speak 'American'

They say "Glenn Beck" -- and diss "Twilight" -- without accents.

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Harry Potter and the Deathly Hallows Part 1 stars Daniel Radcliffe, Emma Watson, Rupert Grint, and Tom Felton dropped their British accents for an interview to promote their new movie (out Friday).

MTV asked them to say a number of hilarious "American" words and phrases, such as Glenn Beck, Olive Garden, Boo-Yah and "Justin Bieber is the man" without their clip. "Hey buddy, can I get an order or mozzarella sticks, please?" asks Felton, who plays Draco Malfoy.

Watson admits she's nervous. "This is like an audition!"

Radcliffe shudders at one. "This is controversial!" he says, before relenting: "Twilight blows."