Christopher Willard/Disney via Getty Jessica Simpson performed on TV for the first time in 15 years during an appearance on the season finale ofAmerican Idolon Sunday, May 18 The singer and fashion designer performed her new song 'Blame Me' before breaking into a duet of her 2005 cover of These Boots Are Made for Walkin' with contestant, Josh King Simpson showcased her newly revealed look after undergoing a hair transformation Jessica Simpsonis back on the stage! On Sunday, May 18, the singer and fashion designer, 44, performed onAmerican Idolduring the season 23 finale. Showcasing her powerful voice, Simpson belted out her new song "Blame Me" from herNashville Canyon, Pt. 1album before being joined by former contestant, Josh King. The pair sang her 2005 cover of "These Boots Are Made for Walkin'," which she recorded for theDukes of Hazzardsoundtrack. "A fierce return from a pop queen and@officialjoshking! 💄👢@jessicasimpson#AmericanIdol,"American Idolcaptioned a post onInstagramthat highlighted her performance. "BRAVO ✨✨✨✨ So happy she is back with incredible new music!!," one fan gushed, while another added, "Jessica Simpson is back!!! 👏🙌🔥❤️." King also reflected on the opportunity to sing with Simpson, writing, "It was an absolute honor to perform with Jessica!!!" American IdolhostRyan Seacrestrevealed that the performance was Simpson's first TV appearance in 15 years, according toTVInsider. For the big moment, Simpson graced the stage with a silver metallic gown. After recentlyundergoing a hair transformation, she showed off her new dirty blonde color. Never miss a story — sign up forPEOPLE's free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. Christopher Willard/Disney via Getty Simpson first teased the new hair in a post onInstagram. "American Idol Rehearsal 💫," she captioned the post, which included a video of her standing on the steps of her trailer while her new song "Use My Heart Against Me" played. Her hairstylistRita Hazandescribed the color as "more natural," like "a kid on the beach" and told PEOPLE that the shade of blonde was a "desert sunset blonde," that took "two hours" to finish. Stewart Cook/Disney via Getty The PEOPLE Puzzler crossword is here! How quickly can you solve it? Play now! "The must-have in my kit that I use on all my clients isGlaze's Supergloss. For Jessica, we used the shadeVanilla Lights— her perfect match to tone down brassiness in her highlights," she said. "It delivers a rich, shiny payoff, and a silky, polished finish that leaves hair looking refreshed and healthier after just one use." Hazan said that Simpson "loved" her new blonde locks, explaining the transformation from her previous shade of blonde. "She was so happy to get a new look and switch it up," she added. "She always had a super buttery blonde — this time we wanted something new and youthful." Read the original article onPeople
