J.Lo shows off her toned tummy. Piko Press/Splash News If Jennifer Lopez wants to make the rest of us jealous by proving that 42-year-old woman who's given birth to twins can have abs better than the majority of the world, well, she's done it! The "Back-Up Plan" actress strutted her stuff -- and all of her flat tummy — in a midriff-baring top while shooting scenes for her new reality competition show "Q'Viva The Chosen" in Argentina this week .
J.Lo (who separated from husband Marc Anthony over the summer) made headlines recently when she told Glamour magazine that she fired her manager after he told her to lose weight. "I was just so infuriated that somebody said you couldn't have a little extra meat on you," she explained in the interview, "because I was by no means fat!"
And she's got the photos to prove it ...
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