Soccer ace David Beckham's 50s-inspired barnet has rocketed in popularity, putting it in second place ahead of Bieber's new quiffed fringe, reported Sun online.
"Harry's recognised what hair has done for Justin Bieber's career and wants his locks to help him be just as popular," said stylist Andrea Daley from Barbara Daley salon in Liverpool.
Television presenter George Lamb's new mature do puts his style in fourth place ahead of music producer Mark Ronson.
Burberry model Eddie Redmayne is a newcomer in the top ten at number six ahead of "James Bond" star Daniel Craig, pop star Gary Barlow, ex-footballer Jamie Redknapp and Hollywood actor Leonardo DiCaprio.