One Direction gathered their friends for a boat party in Sydney, Australia on Monday (09Feb15) after kicking off their latest world tour in the city.

The boyband returned to the stage on Saturday night (07Feb15) for the first show of their On The Road Again trek at the Allianz Stadium, which was followed by a second concert at the venue on Sunday (08Feb15).

They enjoyed a break on Monday (09Feb15) before heading to the next stop in Brisbane, and they hosted a bash for their pals on a boat.

The pop stars were pictured partying on the cruise around Sydney Harbour with a group of girls.

One Direction's next gig is in Brisbane on 11 February (15).