Popular reality competition series American Idol season 21 aired a brand new episode on Sunday, May 21, 2023, at 8 pm ET on ABC. It documented the top 3 finalists performing and competing against each other for one last time. They put their best foot forward to earn the coveted title and the grand cash prize of $250,000.By the end of the American Idol episode, William Tongi took home the win. He beat fellow competitor Megan Danielle. Not only did he receive the title, he also earned the cash prize and will have several recording deals coming in the future.Fans were elated with the majority of the votes given to William and took to social media to celebrate his win on the show. One tweeted:lol@sillycrazywackyi’m so happy for iam!! he really deserves this. #AmericanIdol91i’m so happy for iam!! he really deserves this. #AmericanIdolThe hit ABC series has seen a lot of popularity over the past two decades and has gone on to become a legendary franchise. Many contestants have made their mark in the music industry by debuting on the show, earning a lot of success and fans worldwide.Season 21 of the competition saw the contestants deliver their skills in front of the iconic judge trio - pop princess Katy Perry, Oscar-winning singer/songwriter Lionel Richie, and country superstar Luke Bryan.Fans celebrate William Tongi's win on American Idol season 21Mika Miyashima@KITVMMiyashimaHawaii’s Iam Tongi is officially the winner of American Idol!!#TeamTongi #Yessuh388Hawaii’s Iam Tongi is officially the winner of American Idol!!#TeamTongi #Yessuh https://t.co/Qm3UnnMVm7William Tongi was declared the winner of season 21. He was applauded by judges and fellow competitors, who joined him on stage to celebrate. Megan Danielle was crowned the runner-up.Fans were extremely happy and took to social media to celebrate the win. Check it out.American Idol@AmericanIdol🥇@wtongi is your next #IDOL!1676397✨🥇✨@wtongi is your next #IDOL! https://t.co/Mpj7EFTeHADakota/The Lone Wolf 🐺@DaLoneWolf97Iam just wonAll of us that wanted Iam to win right now:#IdolFinale #AmericanIdol20237Iam just wonAll of us that wanted Iam to win right now:#IdolFinale #AmericanIdol https://t.co/AasBthjyZ5The Coconet@TheCoconetTVIAM TONGI HAS WON AMERICAN IDOL CHEEE HOOOOO!!!!!! YESSAAAAAAH @Wtongi14959IAM TONGI HAS WON AMERICAN IDOL CHEEE HOOOOO!!!!!! 🇹🇴🇼🇸YESSAAAAAAH @Wtongi https://t.co/J8nFNLE7KMpolo@isthlsthlngonIAM TONGI AMERICAN IDOL SEASON 21 WINNER 🥳438IAM TONGI AMERICAN IDOL SEASON 21 WINNER 🎉🥳🇹🇴 https://t.co/atKzWrDAo3| Kalyn| |@missdayabutlersIAM REALLY WON !! I've been rooting for him since day 1 HE REALLY DESERVES THIS WIN #AmericanIdol112IAM REALLY WON !! I've been rooting for him since day 1 HE REALLY DESERVES THIS WIN 😭 #AmericanIdol https://t.co/BDNqV7xwEHTweets only Hawai'i people understand@HawaiiTingsCongrats to Iam Tongi the winner of American Idol 2023!5515Congrats to Iam Tongi the winner of American Idol 2023! https://t.co/4VSCIAGRndDrew Sykes ❄️@drewsykesIam Tongi was the #AmericanIdol from the start. Heck yes. What a story and what a talent! What a dude. 2Iam Tongi was the #AmericanIdol from the start. Heck yes. What a story and what a talent! What a dude. 🙏🔥💙Pier Parker@pier_parker@AmericanIdol @wtongi Congratulations @wtongi So deserved! I knew you were going to be the next #AmericanIdol@AmericanIdol @wtongi Congratulations @wtongi So deserved! I knew you were going to be the next #AmericanIdol https://t.co/J3q6ecE6vuSassyScorpion@NailsKristaIam Tongi for the win... for sure we knew that! Great season of #AmericanIdol #americanidolfinale was really good!2Iam Tongi for the win... for sure we knew that! Great season of #AmericanIdol #americanidolfinale was really good!Tammy Lou ❤️🦋🌼@tamilu40Hooray for @wtongi I’m so delighted. What an incredible season of #AmericanIdol3Hooray for @wtongi ❤️❤️❤️❤️❤️❤️❤️ I’m so delighted. What an incredible season of #AmericanIdolSmandy the Bull@smandymandyAmerican Idol voters, We got it right! And that’s no shade to Megan. Iam just truly is someone who would have never been found without this show! Congrats, Iam! #AmericanIdol #iamtongi 3American Idol voters, We got it right! And that’s no shade to Megan. Iam just truly is someone who would have never been found without this show! Congrats, Iam! #AmericanIdol #iamtongi 🔥❤️🎉American Idol season 21 finale saw a lot of glitz and glamorTonight's episode of American Idol saw the top 3 contestants - Megan Danielle, William Tongi, and Colin Stough deliver iconic performances for one last time on stage before one of them was crowned the winner. The evening saw them grace the stage with multiple renditions that impressed the audience. View this post on Instagram Instagram PostThe official synopsis of the episode, titled Season Finale, reads:"The live coast-to-coast, three-hour season finale features special performances from music legends and today’s top artists, with the Top 3 contestants taking the stage for the final time as America decides who will become the next American Idol."To help them nail their performances, American Idol invited former judge Keith Urban as the guest mentor. He was a judge from season 12 to 15, when the competition series aired on Fox. He helped the top 3 finalists with song selection, vocals, and stage presence, among many other aspects.The finale episode saw the Top 12 contestants - Wé Ani, Warren Peay, Haven Madison, Tyson Venegas, Marybeth Byrd, Oliver Steele, Zachariah Smith, Lucy Love, and Nutsa - returning to the stage and perform. Renowned artists, including Pitbull, Elle Goulding, Kevin Cronin, and many others were part of the star-studded line-up of guest performers.KATY PERRY@katyperry#MINUTEBEFORETHESHOW #IDOLFINALE2557325#MINUTEBEFORETHESHOW #IDOLFINALE https://t.co/LfUNIAHiQuCheck out what the top 3 American Idol contestants performed tonight.Megan Danielle - God Whispered Your Name by Keith Urban, Faithfully by JourneyWilliam Tongi - Making Memories of Us by Keith Urban, Cool Down by Kolohe KaiColin Stough - Stupid Boy by Keith Urban, Either Way by Chris StapletonSeason 21 of the series has been an extremely successful franchise. The contestants came from different parts of the country to deliver their talent and keep moving forward in the competition. The series has been renewed for a new installment and viewers will have to wait for more details to come.American Idol aired every Sunday at 8 pm ET on ABC.