Watch the best and worst auditions from week 4 of Britain's Got Talent 2019!<br /><br />Featuring performances by:<br /><br />Dave and Finn<br />Derek Sandy<br />Chuckle foot<br />Giorgia Borg<br />Rollabatics<br />Matt Stirling<br />Paul Antoniou<br />Ethan Niggins<br />Sheila Callaghan<br />Katherine and Joe<br />Pontus Lindman
