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Ariel Winter is all grown up and in killer shape

The Season 9 finale of Modern Family aired Wednesday night, reminding viewers everywhere that Ariel Winter — who has portrayed the lovable Alex Dunphy on the hit ABC show since she was only 11 — is a great person to look to for some fitspo. Lucky for you, Yahoo Lifestyle has the inside scoop on how Winter, 20, manages to maintain that perfect booty, revealed in this week's episode of Off Season.