American Idol Former 'American Idol 4' finalist Jessica Sierra sued over assault 05/05/2007 A former "American Idol" finalist is being sued for gashing a stranger's head with a cocktail glass in Tampa, Fla. Read More RELATED NEWS Carrie Underwood says post-'American Idol' body shaming led to strict dietCarrie Underwood praises husband Mike Fisher on anniversaryCarrie Underwood to host 2019 CMA Awards without Brad Paisley TAGS: American Idol Jessica Sierra