McKayla Maroney

McKayla Maroney is impressed with Hart of Dixie.

The Olympic gold medal-winning U.S. gymnast will guest-star on the CW series, Warner Bros. TV announced Tuesday.

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Maroney, whose photo went viral after she appeared to be unimpressed with winning silver at the 2012 London Olympics, will play Tonya, a friends of Rose (McKaley Miller) who comes to her defense.

Hart of Dixie returns Tuesday, Oct. 2 at 8/7c on The CW.