Niall Horan may be one of the biggest names in the world but the Irish heartthrob proved he still remains humble as he took to the streets of Dublin.The singer and his good pal Lewis Capaldi left Dubliners rubbing their eyes as they took part in an impromptu busking session on Grafton Street.Niall, 28, and Lewis, 25, have both spoken fondly of one another in the past and appear to have struck up the ultimate bromance with one another in recent years.READ MORE: One Direction didn't make an effort with anyone on final tour, claims Jamie LawsonDuring a trip to the capital of the Republic of Ireland, the pair took in the sights as well as offering a performance of some of their own hits.Mullingar-native Niall surprised local busker Jacob Koopman as he stopped to take in the singer's stunning voice before he and Lewis attracted a large audience.Taking to the mic stand, Niall showed off his guitar skills as he belted out his single Slow Hands, joined by Lewis while Jacob looked on in amazement.As well as performing some of their own songs, Niall and Lewis offered their rendition of Coldplay's song Yellow.Their 13-minute performance attracted huge crowds and caused fans to go wild on social media after videos emerged of the beautiful moment."Videos of Niall Horan and Lewis Capaldi busking is the serotonin I needed today," tweeted one.While a second went on to say: "Imagine walking on Grafton Street and suddenly you hear Niall Horan and Lewis Capaldi playing songs.
You win at life."For more of the latest showbiz and TV news from the Daily Star, make sure you sign up to one of our newsletters here."The videos of Niall and Lewis busking on Grafton Street just made my whole month," commented a third.Meanwhile, busker Jacob Koopman.Read more on dailystar.co.uk