Former American Idol finalists Constantine Maroulis and Elliott Yamin will appear on stage along with singer-songwriter Jon McLaughlin for a concert in an upcoming episode of The Bold And The Beautiful airing Friday.

Constantine Maroulis, plays record promoter Constantine Parros on the daytime drama, will be joined by fellow cast members Mackenzie Mauzy and Kyle Lowder.

The concert is tied in to an online contest called "Boldface Challenge" which ran in the first few weeks of August.