The burning question of the 2010 election - 'Did the Sun Photoshop the page 3 girls' underwear?'

The Guardian may have 'uncovered' a scandal:

'The Sun claims Labour and the Lib Dems would abolish page 3. But did it alter the colour of the models' pants to underline its point?

...

The scantily-clad, human rights-threatened women appear to have taken a united stand against such a grim scenario in today's newspaper, by all wearing blue undergarments in an apparent unanimous show of support for the Conservatives.

Except, it seems, the Sun picture desk may have had more than a little to do with that.

The online version of the same picture shows only one of the 16 models wearing blue apparel, while the rest opt for non-partisan colours such as lime green, purple, white and black. One is even wearing red (she'll probably be sacked by the Sun before any Labour/Lib Dem legislation comes into force).'

More at The Guardian but in the interests of seekers after the truth, here are the two pictures...
Print version -

Online version -

But which is the original? Come on all you Photoshop experts, examine away; there must be tell-tale clues...