First Lady Michelle Obama was named Barbara Walters’ Most Fascinating Person of 2009, one year after President Barack Obama took the honor.

“It has been a whirlwind. But it’s been amazing,” Obama told Walters on her Wednesday special, The 10 Most Fascinating People of 2009.

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Obama noted settling into the White House, getting a family dog (“he’s our son”), visiting countries with her husband, planting a garden and starting a mentoring program as among her highlights of the year. But the biggest piece of information she divulged was the secret to her killer arms — the result of 11 years of hitting the gym.

“My personal routine hasn’t changed much in the past 11 years,” she said. “I really started right after I had Malia, our oldest, and some of that was, you know, in all honesty it was a little sort of revenge because I’m married to a man who has worked out all of his life. And regardless of how busy he is, he finds the time to work out. And there was a point at which I got a little resentful of that.”

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Other newsmakers who made Walters’ list were Kate Gosselin, Glenn Beck, Brett Favre, Lady Gaga, Adam Lambert, Tyler Perry, Sarah Palin, First Lady of South Carolina Jenny Sanford and Michael Jackson’s three children, Prince Michael Joseph, 12, Paris Michael Katherine, 11, and Prince Michael II, 7, who were counted as one person.