The newly reunited Spice Girls wanted to perform in the Concert for Diana, but the ladies say they couldn't due to scheduling conflicts.

"We would have loved to have been there this weekend but the timing has been impossible for us," Melanie 'Sporty Spice' Chisholm said. 

The Spice Girls have reunited for a World Tour that will take place at the end of 2007.

The Spice Girls consist of Victoria 'Posh Spice' Beckham; Melanie 'Scary Spice' Brown; Geri 'Ginger Spice' Halliwell; Emma 'Baby Spice' Bunton and Melanie 'Sporty Spice' Chisholm wanted to make their first comeback appearance on Sunday.