by Colleen Last, MSN Celebrity Editor

On-Again, Off-Again Celebrity Couples

What is it with fickle celebrities these days? The sentimental stars are in and out of relationships with the same people, time and time again. One minute they’re parading their love in photo shoots for Hello and OK magazines, the next they’re filing for divorce and trashing their ex-partner in the tabloids. And just when we think it’s all over, they rekindle their relationship for the umpteenth time. Take a look at the gallery below for proof that love is better the second time around...

• Girls Aloud Birthday Bash

  Cheryl Cole and husband Ashley joined the rest of Girls Aloud to celebrate Sarah and Kimberley's birthdays. Sugababes were there too - see who else scored an invite to the VIP bash...

• You Said What?!

  Jedward may be gone but they're not forgotten - even Gordon Brown has been talking about the X Factor twins! Find out more in our pick of the best celebrity quotes.

• Sexiest Man Alive - Not R-Pattz!

  It's official: Robert Pattinson is NOT the Sexiest Man Alive. Find out which brooding actor beat the Twilight hottie to the annual title in our eye-popping photo gallery.