Canadian teen crooner Bieber was spotted out and about in London doing some shopping with pals as he continues his UK tour.
The leather-clad Baby singer, who now has more Twitter followers than the population of Canada, made the most of his time off with pals as he hit up ACNE on Dover St in the UK capital.
Nice disguise! Justin Bieber dons a gas mask to hit the shops
Justin, who just returned from playing in Manchester, may have popped on the disguise but he slapped on his trademark hat as he left the shop.
It was reported the Boyfriend hit-maker ordered £500 worth of room service when he stayed in Manchester.
Inside Justin takes off his clever disguise but when he leaves the shops the teen singer makes sure he is covered up
Now that's a look! Justin's gas mask covered his whole face - but the star was instantly recognisable with his entourage and trademark cap
Bieber reportedly impressed 17-year-old aspiring singer Ella-Paige Roberts-Clarke by taking her on a date in a Rolls Royce... just a night after taking her to Justin Timberlake's BRIT Awards after-show concert.
According to the Sunday Mirror, the 18-year-old Canadian star reportedly sent a Rolls-Royce round to her home to pick her up and escort her to the flashy five-star Lanesborough Hotel in London where he was staying as he readied kicking off his UK tour.
Unmasked! Justin Bieber takes his mask off for a tourist snap near Big Ben
Nice look: Justin makes sure he is completely covered as he leaves the shop
The following day the MailOnline revealed her identity as the 17-year-old ambitious singer from Norfolk who friends said was 'determined to become famous'.
A source told MailOnline: 'Since she was at school she always wanted to be famous. The weird thing is she has worked so hard but just being seen with Justin Bieber is probably going to make her career.'
Budding singer: Friends of Ella-Paige said they were shocked to see her with the star