First Time Kygo feat. Ellie Goulding
Miley Cyrus performs on X Factor, Lady Gaga brings the fun to Saturday Night Live, Rihanna debuts a new look and Katy Perry announces a new world tour in this week's best pictures.
Behati Prinsloo and Adam Levine are seen in the West Village
Beyonce Knowles filmed night scenes fom her new video in NYC. Picture: Splash
The 'Bonkers' rapper celebrates his honorary doctorate this week.
The 'Boomerang' star was joined by her fellow acts on The X Factor UK for the trip. Picture: Splash
Jay-Z and Beyonce are pictured before the start of an NBA basketball game between the Oklahoma City Thunder and the Los Angeles Clippers in Oklahoma City,
The '22' singer attended the Weinstein Company's holiday party at RivaBella this week.
The 'Best Song Ever' star was spotted driving Kim Kardashian's sister out in LA. Picture: Splash
The two stars were pictured leaving the ABC Kitchen restaurant in New York. Picture: Splash
The 'Best Song Ever' singer is rumoured to be taking part in Movember after being spotted with a curly 'tache at the airport.. Picture: AKM-GSI
Paparazzi pandemonium as One Direction touch down at LAX. Picture: AKM-GSI
The 'R.I.P.' singer tweeted fans to say she was on the mend after the incident this week. Picture: Splash
The 'Gentleman' singer wore a black dress on the red carpet.
Out in Los Angeles Britney was spotted filming a romantic scene on the set of her second 'Britney Jean' video. Picture: PacificCoastNews
The X Factor judge took a break from mentoring her acts to go shopping in the UK capital.
The 'Billion Lights' star and his girlfriend walked the red carpet at the event this week.
The 'Move' singer has opted for a slightly softer blonde colour this week.
The four-piece band stopped by a signing at HMV on Oxford Street to meets fans fresh from launching their final album together.
The 'Story Of My Life' star is back in the US this week after being pictured at LAX Airport on Tuesday. Picture: AKM-GSI
The 'Show Me Love (America)' five-piece were in good spirits while meeting all their fans at HMV in Dublin, Ireland. Picture: Splash
The 'Made In The USA' at the premiere of Walt Disney Animation Studios' Frozen this week.
The X Factor UK judge stepped out in a slinky dress for the Eva Longoria Global Gift Gala in London this week.
The 'Do What U Want' star rocked a fifties inspired look for her outfit on Monday afternoon in the Big Apple.
The 'Stay' singer looked chic while talking on the phone as she left her car in New York City this week. Picture: Splash
The 'Roar' singer was spotted on her balcony fresh from the announcement of her new 'Prismatic' tour. Picture: Flynet
The 'Live While We're Young' five-piece celebrated the publication of their new book this week, before releasing a brand new song called 'Diana'.
The 'Burn' singer confirmed a huge North American tour this week for March 2014.
The 'Applause' star is pictured outside Hazelton Hotel in Toronto, Canada. Picture: Splash
The 'We Can't Stop' singer gave a stripped back performance of her recent hit on the show. Picture: REX
The 'Pour It Up' singer was wearing a new look while pictured out over the weekend. Picture: Splash
The 'Roar' singer met fans ahead of announcing her new 'Prismatic' world tour this week.
The 'Best Song Ever' singer is gearing up for the release of 'Midnight Memories' on 25th November.
The 'Do What U Want' singer performed a memorable duet with R Kelly on the show.
The 'California Gurls' star was spotted on Miami Beach just hours before the announcement of her new world tour. Picture: Splash
The 'Applause' singer both performed and acted on the US sketch show this weekend.
The 'Burn' singer was celebrating scoring a number one with her new charity single.
The 'Story Of My Life' star waved to fans while leaving the studio after filming a performance.
The 'Boomerang' singer dined out at C restaurant in Mayfair after the X Factor results show. Picture: Goff
The 'R.I.P.' is rumoured to be being lined up to judge on The X Factor UK next year. Picture: Splash
The 'Love Me Again' singer performed a live set at the C-Club in Berlin, Germany.
The 'On The Floor' singer was spotted in character while filming scenes for her new movie role.