Harry Styles has helped a couple get engaged during one of his recent shows in Portugal.Footage from the show, which took place at Lisbon’s Altice Arena on July 31, shows Styles interrupt his ‘Love on Tour’ set before handing the microphone to a nearby audience member. The attendee then serenades his girlfriend with a live rendition of Elvis Presley’s 1961 love song, ‘Can’t Help Falling in Love’.Watch the heartwarming moment below:A post shared by Vic on tour (@vic_ontour)Amid rapturous applause and singing input from the 20,000-strong crowd, the man — identified as Carl on social media posts — gets on one knee and pops the question, to which his new fiancé exclaims: “Yes!”.TikTok videos taken moments before the proposal show Carl’s request to “sing two lines to [his] girlfriend” during the mid-set pause, as Styles jokingly asks the crowd whether the couple’s year-long relationship warrants his microphone.