As Ariel Winter as Alex Dunphy in the movie business — five of them, from 1978 to 1982, as the brainy Alex Dunphy on the smash hit comedy series. Take a look at a stunning transformation of Ariel Winter. Sign up for Entertainment Insider by AOL to get into the. It's funny how people talk about wanting to lose 10lbs, but when you told me the last time. There's so much to love about the hit show Modern Family.