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One Direction and Katy Perry perform for The X Factor UK live final, the stars turn out for the NRJ Awards 2013 in France and Union J kick off their new UK tour in this week's best pictures so far.
The singer was presented with her MBE for services to music by the Prince of Wales at Buckingham Palace in London.
The US star waves to fans as she makes her entrance on the hit chat show. Picture: Channel 4
The 'Live While We're Young' star adopted a rock look for the band's performance on the show's finale.
The 'What Now' singer was also showing off her new curly hairstyle. Picture: Rex
The 'Suit & Tie' star looked sharp as usual for his Amway Center show in Orlando.
The 'Someone Like You' singer was presented with the award this week at Buckingham Palace.
Fans will get the chance to pose next to the 'Come And Get It' singer. Make sure you bring a camera!
The singer takes part in a new interview with the chat show host. Picture: Channel 4
The singer is currently enjoying huge chart success with 'Happy' in the UK. Picture: Splash
The pair are believed to have taken a vacation in Bahamas together. Picture: Splash
The family enjoyed a day out together at the beack in Los Angeles. PacificCoastNews
The 'What Now' singer was also showing off a new hairstyle for her night out. Picture: Splash
The singer looks ravishing as she poses for the company's ne Spring Summer 2014 campaign. Picture: Inez & Vinoodh
The teen titan launched his big screen movie Believe this week.
The R&B star was the one who gave the singer his big break all those years ago.
The couple hit the stage together at the arclays Center.
The US star will also be back over in the UK in 2014 to perform tracks from her new album on the new leg of the tour. Picture: iambeyonce.com
The singer dueted with Christina Aguilera on the final of this year's show in the US. Picture: Splash
The girls enjoyed a festive feast at Nobu in London. Picture: Splash
The girls pose with Minnie Mouse on a trip to the theme park in Paris for a charity event.
Before taking part in an interview where he joked abour returing, the teen icon met some of his most loyal fans outside - giving one the ultimate selfie. Picture: Splash
The 'Wrecking Ball' singer shows off her pins as she continues a promotional tour of the US. Picture: INF.Photos
The US star had visited the show with boyfriend John Mayer as they premiered the video for new song 'Who You Love'.
The singer poses for a new shoot with the fashion brand. Picture: Inez & Vinoodh
The Bakan star has become the new face of the company. Picture: Inez & Vinoodh
The rapper picks out his favourite flavour as the shop attendant looks on. Picture: X17.online
The 'Jesus Walks' star enjoys his ice cream in the safety of his car. Picture: X17.online
Following the conclusion of this year's X Factor, the judge heads back to the States for the festive season.
The singer relaxed during a new photoshoot in the Big Apple in the company of the canine.
The One Direction man has been linked to the Vicotria's Secret Model for the past few weeks. Picture: Goff
The Bajan star was seen meeting friends including A$AP Rocky out in the Big Apple this week. Picture: Splash
Rita is all smiles on her new shoot with DKNY .Picture: Goff
The 'Roar' star descended from the Wembley Arena sky in a giant bird cage for her performance. Picture: Rex
The X Factor judge was seen heading to Shaka Zulu in Camden. Picture: Splash
The US star heads out in leather and shades as she attempts to avoid the paparazzi upon her arrival. Picture: Splash
The 'Best Song Ever' stars gave a rock 'n' roll performance of the title track from their 2013 album. Picture: Rex
The 'Wrecking Ball' singer meets up with Father Christmas backstage on a US show.
The meeting is believed to be the pair's third this month amid rumours they are dating.
The 'Carry You' four-piece perform on stage in Cardiff on the first night of their UK tour.
The 'Live While We're Young' four-piece performed 'Midnight Memories' live on the show. Picture: Rex
The 'Roar' star turned heads with a striking dress on the event's red carpet. Picture: PA
The 'Best Song Ever' stars won one award on the night out in France. Picture: PA
The X Factor judge poses with the 2013 winner of the show. Picture: Rex
The 'Bang Bang' star smartened up his look with a bow tie. Picture: PA
The UK star walked the red carpet in France one week after his Jingle Bell Ball 2013 set. Picture: PA