Theoden: "Uh, Eowyn, your hair band is falling down."
Eowyn:
OR
Ashton Kutcher: "Okay, see we put this video camera that looks like a necklace around your neck, then you go in and tell PJ you quit! Got it?"
Miranda Otto: "Yep, go in; say 'I quit!'
Ashton: "Perfect. After he yells and screams for a while, we'll pop out and say 'You got Punk'd'!"
Miranda:

"You're really annoying, you know that? I'm only doing this to get more TV time."
OR
Eowyn: "Eomer, that wasn't funny."
Eomer: *rolling on the floor laughing; can't stop himself*
Eowyn: "You're so immature!"