American Idol Ex-'Idol 4' finalist Jessica Sierra pleads guilty, sentenced to probation 11/20/2007 Despite a stay in rehab, Jessica Sierra still had to face the music for her legal woes. 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 Celebrity Rehab with Dr. Drew Jessica Sierra
