Former American Idol star Clay Aiken will appear as a guest judge on the panel of hit TV series America's Next Top Model.

The singer will join host Tyra Banks and fellow judges J. Alexander, Nigel Barker and Paulina Porizkova for an episode in the latest series of the popular reality program later this month.

Aiken will also participate in an acting challenge with the model hopefuls in the upcoming episode, while R&B singer Ciara will make a brief appearance in the same show.

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(This news article provided by World Entertainment News Network)