Jessica Simpson used a few not-so-common tricks to help combat her nerves for her first television performance in 15 years.

Jessica Simpson reveals she felt like she was 'dying' during her 'American Idol' season 23 finale performance, her first TV ...

Jessica Simpson makes a surprise return to singing live on TV, performing on the 'American Idol' finale as Jamal Roberts is ...

E! News catches up with 'American Idol' judge Carrie Underwood at the season finale. Plus, Jessica Simpson performs during ...

Jessica Simpson returned to television screens following a 15-year absence. Simpson, 44, performed during the Sunday, May 18, ...

The Grammy-nominated singer took the mic, singing a cover of Nancy Sinatra's "These Boots Are Made for Walkin'" and her new ...

Jessica Simpson graced the stage of American Idol on Sunday, marking her first TV performance in 15 years. Wearing a ...

Jessica Simpson returned to television screens following a 15-year absence. Simpson, 44, performed during the Sunday, May 18, ...

"This isn’t the end… it’s just the beginning," wrote winner Jamal Roberts. American Idol has crowned its newest winner.

Jessica Simpson made her triumphant return to live TV for the first time in 15 years on the season 23 finale of American Idol ...

The artist, 44, opened up about how she felt after singing her 2005 version of Nancy Sinatra’s “These Boots Are Made for ...