This Week's MUST-SEE Pictures From The World Of Music

1. Christmas has arrived! Cheryl helps switch on the Oxford Street Christmas lights in London

Picture: Getty

2. Don't mess with these ladies! Jessie J and Cara Delevingne mean business!

Picture: Rex

3. Enjoying the sceneary... Katy Perry takes a bike ride in Perth

Katy Perry goes on a bike ride in Perth. Picture: Splash

4. HAPPY BIRTHDAY LORDE! Taylor Swift helps the 'Royals' star celebrate her big day

"It's Ella's 18th birthday technically but we all know she's really 300 and knows all the secrets of the universe. #ELLAflickerbeat" Taylor posted alongside this snap Picture: Instagram

5. Another day... another experimental look for Lady Gaga!

Mother Monster has been out playing live shows in Milan this week. Picture: Splash

6. MEOW! Looking VERY saucy there, Nicki!

Magazine: V Magazine Issue 91 Photographer: Mario Testino Stylist: Robbie Spencer Text: Patrik Sandberg www.vmagazineshop.com

7. Nicki Minaj was looking HOT HOT HOT on the cover of V Magazine!

Magazine: V Magazine Issue 91 Photographer: Mario Testino Stylist: Robbie Spencer Text: Patrik Sandberg www.vmagazineshop.com

8. Zac Efron spotted with his rumoured new girlfriend Sami Miro

The pair were pictured looking very happy together. Picture: Splash

9. Beyonce meets Kelly Rowland's baby son Titan for the first time

10. High fashion stars unite! Cara Delevingne was with Kate Moss at a Christmas event this week

Cara Delevingne and Kate Moss attend the Printemps Christmas Decorations. Picture: Getty

11. Getting ready for the shows! One Direction get rehearsing from their new album 'FOUR'

"Still rehearsing :)" Picture: Instagram

12. Back to blonde! See Lily Allen's new look revealed!

Picture: Instagram

13. Keeping VERY high fashion company... Lady Gaga spotted with Allegra Versace

Mother Monster was spotted visiting the Leonardo Da Vinci museum in Milan. Picture: Spalsh

14. CUDDLES TIME! Katy Perry enjoys a snuggle with her furry friends

"heaven is a place on earth" Katy posted alongside this snap. Picture: Instagram

15. Taking the spotlight... Ariana Grande lights up the CMA Awards 2014!

The US superstar performed 'Bang Bang' at the country music show. Picture: PA

16. Cheryl Fernandez-Versini glows on the cover of Marie Claire magazine

Picture: Marie Claire UK/David Roemer ­ To read the feature in full, see the December issue of Marie Claire, out today www.marieclaire.co.uk

17. Slicking it back for fashion, what do you think of Cheryl's new shoot?

Picture: Marie Claire UK/David Roemer ­ To read the feature in full, see the December issue of Marie Claire, out today www.marieclaire.co.uk

18. It's a new look for 'I Don't Care' singer Cheryl!

Picture: Marie Claire UK/David Roemer ­ To read the feature in full, see the December issue of Marie Claire, out today www.marieclaire.co.uk

19. Showing off a new look for her latest shoot... it's Cheryl Fernandez-Versini

Picture: Marie Claire UK/David Roemer ­ To read the feature in full, see the December issue of Marie Claire, out today www.marieclaire.co.uk

20. Representin' for the family! North West rocks a 'Yeezus' coat #Natch

Kim Kardashian and baby North are spotted flying out of Los Angeles. Picture: Splash

21. Oh dear Ashton... #TMI *shakes head*

"Casually just reading our book…. #5SOSBOOK" Ashton posted alongside this risque snap. Picture: Instagram

22. Suited and booted... you scrub up VERY nicely, Cara!

Cara Delevingne poses on the red carpet at the Topshop / Topman Flagship Store grand opening. Picture: Getty

23. She LOVES her fashion... Ellie Goulding heads to the H&M Alexander Wang launch

Ellie Goulding attends the H&M x Alexander Wang Launch. Picture: Getty

24. Bringing 'Bass' to country music... Meghan Trainor performs at the CMA Awards 2014

The US superstar performs 'All About That Bass' with Miranda Lambert. Picture: Getty

25. New music already?! One Direction's Niall Horan heads to the studio

One Directon's new album isn't even out yet, but Niall's already been spotted in the studio! Picture: Splash

26. Harry embraces the winter weather after leaving the recording studio

Picture: Xposure

27. Gaga goes grey!

Lady Gaga is spotted ahead of her concert in Milan on the 'ArtRave'. Picture: Splash

28. Rihanna's riskiest shoot to date? We reckon so...

Picture: Ellen Von Unwerth/Courtesy of Esquire. “Read the full interview at www.esquire.co.uk/women/article/7292/rihanna-exclusive-photos/

29. SO ADORBS! Jessie J confirms her romance with Luke James. #selfie

"My first ever official #mcm

30. Its a Cara Delevingne and Beyonce sandwich! We're VERY jelaous of Phillip Green

Beyoncé Knowles, Sir Philip Green and Cara Delevingne attend the Topshop Topman New York City flagship opening dinner at Grand Central Terminal. S Picture: Getty

31. Not one to hold back when it comes to fashion, Rita wears ANOTHER bizzare ensemble

Picture: Flynet

32. Um, Kim - your eyebrows have vanished!

"#EyebrowsOnFleek" Picture: Instagram

33. Jessie J and Cara Delevingne look like they're having fun with the NYPD!

Picture: Instagram

34. Phwoah! Tinie Tempah dresses up for the Harper's Bazaar Women Of The Year Awards

Picture: Getty

35. Niall Horan seems to be VERY happy with his new guitar

"I got a new guitar this week and it made me really happy ! #SG" the One Direction star posted alongside this snap Picture: Instagram

36. Professor Green and Millie Mackintosh pose for photos together- looking good guys!

The happy couple attended the Harpers Bazaar Women of the Year awards at Claridge's Hotel. Picture: Getty

37. Things are getting FESTIVE! Rita Ora rocks some mini-antlers at Christmas Lights switch-on

The 'I Will Never Let You Down' star turned up to perform at Westfield London for 10,000 fans and shoppers to turn on the lights. Picture: PA

38. Rihanna has SO much love for her grandpa...as she helps him celebrate his 86th!

The Bajan superstar cuddles up to her grandpa at his birthday celebrations. Picture: Splash

39. Standard date night for Jay-Z and Beyonce... off to the basketball!

The pair were front row to watch the Brooklyn Nets take on Oklahoma City Thunder on the court. Picture: PA

40. DANCE OFF! Iggy Azalea and her boyfriend Nick Young show off their moves

The rap star and her NBA player boyfriend Nick were spotted goofing around together in Los Angeles. Picture: Flynet

41. Like father, like son! Romeo Beckham attends a launch for the Burberry festive campaign

David and Victoria Beckham's 12 year-old son features on the new fashion campaign. Picture: Getty

42. Little Mix's Jesy Nelson watches her man Jake Roche... as Rixton perform live!

"Girls night out at KOKO in Camden watching Rixton... Such a good gig! X" the girls posted. Picture: Instagram

43. The look of a VERY proud father! David Beckham poses with son Romeo

The family were on hand for the launch of the Burberry festive campaign. Picture: Getty

44. It's beginning to look a lot like Christmas... for Rita Ora!

The singer was at Westfield London for the annual Christmas Lights ceremony. Picture: PA

45. Ed Sheeran brings 'X' to life out in Amsterdam

The 'Sing' star raises his hands up to get the crowd going. Picture: PA

46. Ellie Goulding and boyfriend Dougie Poynter dine out with Jamie Oliver!

"Supper club with these beautiful people @idougahole @jamieoliver @DexFletch" Ellie posted alongside this snap.

47. Didn't know you were a gamer, Millie! Reality star and Professor Green turn up for launch event

The pair were on hand for the launch of Call of Duty: Advanced Warfare at Shoreditch Studios, Picture: Rex

48. The LBD is DEFINITELY working for you there, Nicole!

The US superstar shows off a bit of cleavage as she dines out at Mr. Chow. Picture: Splash

49. Looking good (as usual) there, Ashton! Where are the other 5SOS boys?

Clearly they were already inside having dinner! Picture: Splash

50. Miley Cyrus gets her long hair back for one night only with this fancy wig!

Picture: Instagram

51. One Direction's 'Daily' selfies are the best part of being on Instagram! More please!

'Dally' Picture: Instagram

52. James McVey shows us how he stays so gorgeous with a face mask in this topless selfie. Yum!

Picture: Instagram

53. Jessie J gets VERY cheeky with a statue - oo-er!

Picture: Instagram

54. Rihanna rocks a fur coat to combat the November chill on the way back from the dentist.

Picture: Splash

55. Beyonce gives a glimpse of leg in a leather skirt and a casual checked shirt

Picture: Splash

56. Charlie XCX rocks some SERIOUS hair for her performance in London.

Picture: Getty

57. Cheryl stuns in thigh-high boots for her X Factor performance of 'I Don't Care'

Picture: Splash

58. We're not sure what to make of Lady Gaga's barely-there top…!

Picture: Splash

59. Kim Kardashian and Kanye West looked the picture of happiness on the red carpet together

Picture: Getty

60. Big Sean and Ariana Grande confirmed their relationship last week - don't they look cute together?!

Picture: Instagram

61. Selena Gomez and Cara Delevingne show exactly how to do old-school Hollywood glamour!

Picture: Getty

62. Some of the 5 Seconds Of Summer boys cope with this travelling lark better than others!

Picture: Instagram

63. Usher is back with his 'The UR Experience' tour - and he's looking better than ever!

Picture: Getty