Hayden Panettiere, the star of ABC’s Nashville, flaunted her fit body in a picture she posted to Twitter wearing a red string bikini with matching red lipstick.

Panettiere is posing with her friend Erin McCarley in the photograph. The two appear to be on a boat, with the background featuring glistening water surrounded by tree-filled mountains. Both Panettiere and McCarley sport matching red lipstick and tousled wet hair.

"I've grown into myself and my body," Panettiere told Self magazine last year. "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."

Panettiere was spotted in a bikini earlier this month in Miami Beach, Fla., with boyfriend Wladimir Klitschko, a Ukrainian boxer, over Mother’s Day weekend.

Nashville, which stars Panettiere as country pop star Juliette Barnes, has been renewed for a second season.

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