Photos Of The Week

1. Aston Merrygold

The JLS star reveals his new hair-cut. Pic: Xposure

2. Cheryl Cole and Prince Charles

Cheryl Cole is teaming up with Prince Charles to help youngsters in the North-East. The X-Factor star is launching a charitable foundation in aid of the Prince's Trust and met the Prince of Wales at Clarence House to discuss plans to start the project in April.

3. LadyGaga

Lady Gaga takes a stroll in New York in a leotard and fishnets. Pic: Splash

4. Olly Murs

This photograph is provided by the Comic Relief BT Red Nose Desert Trek, 2011. Olly Murs rubs vaseline on some chaffing caused by trekking in the extreme heat of the Kaisut desert.

5. Jessie J

Jessie J performs during the recording of TV Show

6. Will.I.AM

Will.I.am of Black Eyed Peas arrives at Club Vanity on February 23, 2011 in Tokyo, Japan

7. Katy Perry live

Katy Perry live in Lisbon, Portugal. Pic: Famous

8. Cheryl Cole

Cheryl Cole snapped at Heathrow prompting speculation over why she's jetted off to LA - is it for the Oscars, to speak to Derek Hough or X-Factor business.

9. Rihanna's 23rd Birthday

Rihanna celebrates her birthday with A-list stars like Jay-Z, Beyonce and Cee Lo Green, special cupcakes, ice sculptures and a game of Wii. Pic: Facebook

10. Tinie Tempah

Tinie Tempah continues his UK tour at the O2 ABC in Glasgow on the same day it was announced he would be performing at T-in-the-Park 2011.

11. Justin Bieber

Justin Bieber has a hair-cut and then decides to sell off his locks for charity. Pic: WENN

12. Katy B live

Katy B supports Tinie Tempah on tour. Pic: Stephen Hughes

13. Kylie's Aphrodite: Les Folies tour

Kylie Minogue kicks off her Aphrodite: Les Folies world tour in Denmark. The tour will arrive in the UK in March.

14. Lady Gaga

Lady Gaga leaves Madison Square Gardens after her concert in New York. Many of her fans waited in freezing temperatures for pictures and autographs. Pic: Splash