Two concert-goers stole the show at a Billie Eilish's concert after turning up in glowstick costumes.<br /><br />Billie Eilish was performing at the Qudos Bank Arena in Sydney, Australia, on Monday (Feb 24) as part of her ongoing Hit Me Hard and Soft tour. <br /><br />Katrina Keelan, 21, who attended the show, said: "They were in the crowd hyping up the rest of the stadium whilst waiting for billie Eilish to come onto stage."
