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“I love Nashville!”

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and look and feel better than ever.

Left: Diane von Furstenberg shirt, $345; 646-486-4800.

Bra, $87;Shop.Cosabella.com.

This image may contain Hayden Panettiere Clothing Apparel Human Person Skirt and Miniskirt

Haute Hippie skirt, $295; Bergdorf Goodman, 800-558-1855.

Rebekah Price earrings, $250; Paradise Island Boutique, 813-805-2060.

“I’ve grown into myself and my body.

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In Nashville, you see women, even successful singers, who have voluptuous bodies and everyone is supportive.

You don’t get the kind of criticism you might in Hollywood.

To me, the confident curvy girl is so much sexier than the insecure skinny girl.”

Image may contain Clothing Apparel Human Person Hayden Panettiere Shoe and Footwear

Left: Elizabeth and James dress; Saks Fifth Avenue for similar styles.

Fascinator, $25;Shop4Sparkles.com.

Kenneth Jay Lane earrings, $163; 877-953-5264.

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LK Designs bracelet (top), $225;Fragments.com.

Bracelet (bottom), $150;VenessaArizaga.com.

“I’m working on my fears.”

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“I have stage fright!

It’s because I’m a perfectionist, but I have to get over it.

Left: “Party clothes should be sexy and cute like this!”

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Tank, $295;HauteHippie.com.

Shorts, $475;us.Zadig-et-Voltaire.com.

LK Designs earrings, $175, and cuff, $450;Fragments.com.

Image may contain Clothing Dress Apparel Human Person Evening Dress Gown Robe and Fashion

Jimmy Choo shoes, $745; Saks Fifth Avenue.

“I’m aware of my behavior.”

“I’ve been acting since I was little, and kids are often not treated well on sets.

This image may contain Human Person Shorts Clothing Apparel Female Amy LaVere Girl Blonde Teen Kid and Child

I don’t believe anyone is born bad or mean; they become that way from anger and insecurity.

But even when it’s my character being aggressive, not me, I find myself apologizing!”

Left: At Fashion Rocks, at Radio City Music Hall in 2009.

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“I’ve found good friends.”

“There’s nothing like having your closest people over, listening to good music and talking for hours.

As you get older, you weed out people who are there only for a celeb lifestyle.

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And our cast is close; it’s a circle of trust.”

Left: At the Emmy Awards, 2009.

“I eat more than salad.”

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“I tried vegetarianism, but my body didn’t respond well.

Now I make egg-white scrambles with veggies for breakfast.

For lunch, I have chicken or fish and greens, which are good for keeping your system working.

I’m a fan of sushi for dinner, as long as the fish aren’t endangered.

When I indulge, I venture to do it in the morning so I can burn it off.

It’s my responsibility to be healthy and, no, I’m not going to starve.

I’m sorryI can’t be full on salad.”

Left: At the 2012 Emmys.

“I run less and relax more.”

“I used to run an hour every day.

It was too much for me, and my body shut down.

So now I don’t push it over the top.

Left: At the Elton John AIDS Foundation Oscar Party, 2010.

“I’m following my dreams.”

I always said that if I did music in the future, I’d do country.

I’m not trying to be anybody but myself.”

Left: “I’m having fun playing the bad girl inNashville!”

Sweat Like Hayden

Hayden hikes, swims or does pilates about twice a week.

Steal her best do-anywhere moves.

Return to start; do 12 reps per side.

For flat abs:“I’d love to be in a bikini and not worry about sucking in!

Pilates is good for the core.

My favorite ab move is the bicycle crunch.”

Left: At the Golden Globe Awards, 2009.

I hike Radnor Lake here, too.”

Left: AtVanity Fair’s 2007 Oscar party at Morton’s.

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