Ariel Winter stars as Alex, the middle child of Phil and Claire on ABC's Modern Family.  Alex is definitely a bit of a smart ass.

Alex Dunphy Quotes

You know, instead of trying to force me to wear a dress, why don't you worry about getting Luke to wear some pants?

Alex [to Claire]

If Haley got pregnant, would you ever pretend she got mono for a few months and then tell everyone the baby's yours?

Alex