August 12, 2013 12:00 PM

While promoting the new season of The Voice, Christina Aguilera hit a high note on July 27 when she flaunted her new petite frame in a tight pink minidress. “I feel revived and renewed,” says the 5’2″ singer. That’s because Aguilera, 32, has revamped her life. Since she was last seen as a coach on the show in December, “she’s been trying different types of exercise, like yoga and hiking,” says a friend. “Instead of sitting for hours on-set, she’s moving.” But Aguilera doesn’t sweat over her size. When she made headlines for her fuller figure after her emotional 2011 divorce, Aguilera said, “I’ve been criticized for being on both sides of the scale. It’s noise I block out automatically. I love my body.” Now with the support of her boyfriend Matt Rutler, 28, “she has moved into a new house and got a fresh start,” says the pal. “She is shedding the past and shedding the pounds.”

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