What Do You Mean? Justin Bieber
Cheryl heads out with BFF Kimberley Walsh, Harry Styles shows off his toned physique in Australia and Katy Perry hits the capital with boyfriend John Mayer. All the best pictures from the week in pop music.
The singer was spotted sporting one of her most unusual looks of all time during her stay in Germany.
The singer was almost unrecognisable as she joined X Factor contestant Hannah Barrett to help out in store. Picture: Rex
The singer wears yet another elaborate outfit during her promotional visit to the German city.
The 'Crazy In Love' singer hides behind the door in a teasing black and white shot for her latest calendar. Picture: Heringandhering, www.herringnadherring.com, www.schierke.com
This week saw the singer's new song 'Sweeter Than Fiction' hit the web and it looks like she's back working on new music already. Picture: PacifiCoastNews
The girls, minus new mum Frankie, showed their support to this year's poppy appeal.
The 'Applause' star debuted tracks from her latest records at the special event in Germany.
The boys were also guests to help launch the Royal British Legion's Poppy Appeal 2013.
The 'Applause' singer rocked an unusual outfit while arriving at Berlin-Tegel Airport this week.
Fans recently named him the sexiest male pop star of 2013 and he joined the rest of Union J for a special performance at the Poppy Appeal event.
This week saw the 'Blurred Lines' singer announced as one of the latest additions to the line-up for the MTV EMAs 2013. Picture: Splash
The X Factor judge was joined by some of her friends for an evening at the Arts Club in Mayfair, London Picture: Goff
The 'Get Lucky' star went for a camo jacket as he hit the red carpet of the star-studded event.
The '22' singer was spotted on set in South Africa with a curly brown hairstyle for her role in the new movie adaptation. Picture: vantagenews
The singer was seen carrying the item as she prepared to go to LAX Airport. Picture: Splash
The singer was in attendance for the 30th annual Night Of Stars awards gala at Cipriani's Wall Street.
The 'Hot N Cold' star launched her new album this week, which features 'Roar' and new single 'Unconditionally'.
The 'Love On Top' singer took a dive of 1000 feet during some time off from her 'The Mrs. Carter Show' world tour. Picture: Rex Features
The group are also celebrating the release of new single 'Beautiful Life' - which hit the number four spot on the Vodafone Big Top 40.
The 'Bangerz' singer attempted to shield herself from some of the paparazzi with a leather cap. Picture: Splash
The singer opened up about her personal life including how she always had a crush on boyfriend John Mayer. Picture: W Magazine/Marrio Sorrenti
The 'I Kissed A Girl' singer took part in a new shoot with the publication. Picture: W Magazine/Marrio Sorrenti
The 'I Knew You Were Trouble' singer had her guitar in hand as she arrived at LAX airport. Picture: Splash
John brought his European tour to London this week and the 'I Kissed A Girl' singer has been promoting her new album 'Prism'. Picture: Splash
The singer went make-up free as she grabbed a quick coffee break. Picture: x17.online
The singer shares some of the images from her big day as she marries Brandon Blackstock. Picture: Kelly Clarkson Facebook
The boys were seen signing copies of their new book 'Union J Our Story' at Selfridges in London.
The singer and boyfriend David Lucado watch on as her boys take part in a match at Thousand Oaks. Picture: Splash
The singer's new line with the fashion brand will hit stores later this month.
The 'You Da One' singer is preparing to unveil her latest collaboration with the high street fashion brand.
The 'Little Things' star enjoyed the fine weather and the glorious sea settings on a day off from the group's tour. Picture: Splash
The former Pussycat Doll looked stunning as she relaxed following this weekend's live show.
The One Direction star enjoyed a private lesson with Australian tennis veteran Pat Rafter in Brisbane this week. Picture: Splash
The Girls Aloud stars were back on the town together following Cheryl's recent announcement that she had split from boyfriend Tre Holloway. Picture: Rex
The One Direction man had his toned torso on show for a bit of shirtless volleyball action along the Gold Coast of Australia. Picture: Splash
The happy couple were all smiles as they prepared to head home after a fun night out. Picture: Flynet
The British singer took a break from recording for her new album to attend the new Tom Hanks film premiere.
The 'Boyfriend' star brought one lucky fan on stage to serenade during his performance. Picture: Splash
The US star gave a triumphant performance of her single 'Roar'. Picture: Rex
The 'Change Your Life' singer wowed in her sparkly dress at the industry event in the capital.
The 'Pass Out' star looks as dapper as ever as he poses with his award.
The producer celebrates with his two prizes at the ceremony in London.
The 'Who You Are' singer is currently in the middle of her debut UK arena tour.
The 'Anything Could Happen' singer was on hand to pick up her award this week in London.
The 'Burn' singer poses with her Best Solo Act award at the event this week.
The 'Candy' singer was there in person to collect his achievement award this week.
The 'Forgiveness' rapper was all smiles at the star-studded event.
The 'Bonkers' rapper went for a grey suit while at the awards show.
The 'Impossible' singer is preparing for the release of his self-titled debut album.
The 'Can't Say No' singer was pictured on the red carpet at this week's ceremony.