Harry Styles' attendance at Niall Horan's concert in Manchester has sparked excitement and renewed calls for a One Direction reunion among fans. Styles was seen dancing and enjoying Horan's performance of their 2014 hit 'Stockholm Syndrome,' which further fueled the frenzy. Videos and photos of Styles, wearing a yellow jacket and white T-shirt, quickly went viral on social media. Fans have been eagerly sharing their joy over seeing two members of the former boy band together, with many expressing hope for a full reunion. This comes after recent comments from Zayn Malik about wanting to rebuild relationships with his former bandmates. The band, which disbanded in 2015, remains one of the best-selling boy bands of all time.