Matt Sayles / Invision/AP
Matt Sayles / Invision/AP

Former wrestler-turned-porn-star Joanie 'Chyna' Laurer has left fans concerned for her health after she collapsed at an adult film convention in Miami on Friday.

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The star was about to meet and greet fans at the 2012 Exxxotica Expo when she fainted, according to eyewitnesses.

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Laurer was checked out by venue paramedics, carried out of the convention and taken back to her hotel room. She did not need to be hospitalized.

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According to TMZ.com, Chyna cancelled a Friday afternoon appearance at another porn convention, The XBiz Summit, after her collapse.