As the FIFA World Cup 2026 semi-finals begin, meet the most-followed footballers from the final four, and the famous faces cheering them on ArgentinaMost viral moment: Captain Lionel Messi’s hat-trick against Algeria, especially a feint-and-finish that had fans joking he knew the defender’s next move. The top players in their respective teams, these footballers are also a rage online. (photos: AP, AFP, Reuters, x and instagram)Lionel Messi: 512MLionel Messi.Julián Álvarez: 20.8MJulián Álvarez.Emiliano Martínez: 16MEmiliano MartínezBritish-Argentine actor Anya Taylor-Joy.FranceMost viral moment: After telling English actor James Corden he would revive his childhood flute-playing celebration if he scored at the World Cup, Mbappé did exactly that against Senegal. Kylian Mbappé: 134MMost viral moment: After telling English actor James Corden he would revive his childhood flute-playing celebration if he scored at the World Cup, Mbappé did exactly that against Senegal. Kylian MbappéOusmane Dembélé: 22MOusmane DembéléMichael Olise: 9.6MMichael OliseFamous fan: Shakira was spotted in the stands with her children during the tournament.SpainMost viral moment: After Saudi fans chanted “Where is Yamal?”, the teenage star scored against them and answered with a two-word Instagram post: “I’m here.” Lamine Yamal.Pedri: 23MPedri.Famous fan: Ines de Ramon backed Spain from the stands alongside boyfriend Brad Pitt.Nicolas Williams: 5.5MNicolas Williams.EnglandMost viral moment: A stadium-wide rendition of Hey Jude after Jude Bellingham’s winner, with David Beckham and son Romeo joining in.Jude Bellingham: 47MJude Bellingham.Marcus Rashford: 22.3MMarcus RashfordHarry Kane: 19.4MHarry KaneFamous fans: Former captain David Beckham and family!**All follower counts are from Instagram and are subject to change