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Beyonce and Jay-Z meet the Royals, Katy Perry goes for a new hair colour and 5SOS get ready for LIVESOS in this week's best pictures so far.
And that dress looks mighty fine, lady! Picture: PA
The 'I Will Never Let You Down' star goes for a stroll out in New York City. Picture: rex
"OOTD school girl raincoat vibez" Katy posted, with a snap of her new purple hair. Picture: Instagram
The impromptu double date happened at an NBA event. Picture: YouTube/ NBA
The 'Boyfriend' star has opted for a completely new look, bleaching his hair blonde! Picture: WENN
Katy Perry enjoys her time Down Under in Sydney. Picture: INF
'snowy night' Picture: Instagram
The 'Where Have You Been' star looked STUNNING on stage at the US show. Picture: Splash
The 'Boyfriend' star posted this snap in tribute to his puppy dog.
The pair performed live on stage together out in Philadelphia this week.
The 'Wet' singer was in costume... and looking amazing! Picture: Rex
The pair performed 'Black Widow' together this week.
'One Direction: Who We Are' autobiography book signing, Picture: Rex
Katy Perry goes shopping in Sydney. Picture: INF
"2009 MySpace-chic LOL my hair can still do it hahahaha" Picture: Instagram
"TAKE ME HOME." Picture: Instagram
"We just met the cutest , bravest little girl ever ! Effy it was lovely to meet you! Hopefully we will see you very soon ! Xxxx." Picture: Instagram
Nicole Scherzinger And Lewis Hamilton Backstage at Andrew Lloyd Webber's CATS at the London Palladium. Picture: Getty
Lindsay and Ali Lohan attend the Sunday Times Style Xmas Party at Tramp. Picture: Getty
Harry Styles leaving The Box Nightclub in London. Picture: Splash
The boys perform as part of their new LIVESOS release.
'Marry The Night' star Gaga and her actor boyfriend at the Kennedy Center Honors event. Picture: Getty
The scene was filmed as part of their LIVESOS DVD release.
The singer was at the 'Hublot?Time Is Beautiful?' event. Picture: Getty
The 'I Will Never Let You Down' star was on set for a new photoshoot this week.
The new couple looked like they were having an AMAZING time together. Picture: Getty
The pair head out together after the weekend's results show. Picture: Rex
Beyonce and Jay-Z take their adorable daughter Blue Ivy to the premiere of "Annie" at the Ziegfeld theatre. Picture: Splash
The first couple of pop got to meet Kate Middleton and Prince William this week. Picture: AP
"Great to meet and chat with @jamieoliver tonight! Super nice fella. #norton" Niall tweeted from the set of Graham Norton. Picture: Instagram
Massive thank you to our amazing team and my beautiful girls for the best cake ever ever ever my early Birthday Princess Jasmine cake with my face on