Harry Styles Joins Niall Horan at Manchester Concert, Fans Relive One Direction Days

Styles attended Horan's show, singing along to 'Stockholm Syndrome' and delighting fans with a nostalgic moment.

Harry Styles was spotted at Niall Horan's Manchester concert, singing along to One Direction's 'Stockholm Syndrome.'
Fans captured videos of Styles enjoying the performance, which quickly circulated on social media.
Both Styles and Horan have pursued successful solo careers since One Direction's hiatus in 2016.
Horan's current tour, The Show: Live on Tour, features songs from his solo albums as well as One Direction hits.
Styles' appearance at the concert sparked excitement among fans, reminiscing about the band's heyday.