Hehe I can picture it now...
Daleks: you will be EXTERMINATED!!!
Mika: Not yet, I won't! AHWAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
daleks: pitch is too high, frequencies disrupting dalek shield densities... EXTERMINATE!!!
Mika: (still going high)
Dalek: MERCY!!!!! (explodes)
River song: well now, mika, that was impressive...
Doctor: river, behave
Amy: aw cmon doctor, river knows only a real man can get rid of the daleks FOR GOOD...
Rory: hey! MIKA! Eyes off Amy's miniskirt!!