Who are pop stars backing in the UK election?

Lily Allen obviously hasn't forgiven David Cameron for saying he wouldn't play her album to his kids. She tweeted this picture of herself at a polling station earlier today Photograph: Originally posted on Twitpic Photograph: guardian.co.uk If ever there was a reason to remember why we liked Gary Barlow the least out of Take That, it's his endorsement of David Cameron Photograph: public domain Photograph: guardian.co.uk MIA contributed this piece of art work to a viral initiative inspiring people to vote. Does this mean she's backing the Respect party? Who knows, she once offered a free song to anyone who voted for a Sri Lankan MP (but quietly rescinded her offer when it was pointed out that this was actually illegal) Photograph: public domain Photograph: guardian.co.uk The former Eurythmics singer has long been a supporter of the SNP: "I think Scotland could take a stand in a wonderful way: ecologically, morally and ethically. Scotland could stand for something in the way that Norway has done historically." Photograph: A Tauber/Newspix/ Rex Features Photograph: A Tauber/guardian.co.uk Coldplay's Chris Martin has not actually given his official backing to any party, but the Lib Dems are claiming him as their own after he attended a Lib Dem Commons event, along with ... Photograph: Alberto Martin/EPA Photograph: Alberto Martin/guardian.co.uk ... Razorlight frontman Johnny Borrell! Who also once jammed with a variety of MPs, including Lib Dem Lembit Opik, as part of a climate change campaign Photograph: Brian Rasic/BRA Photograph: Brian Rasic/guardian.co.uk Simon and Gordon have certainly had their moments, such as when the PM phoned the Britain's Got Talent judge to inquire about Susan Boyle's health. But Cowell has given his backing to Cameron Photograph: Michael Becker/Getty Images Photograph: Michael Becker/guardian.co.uk Blur drummer Dave Rowntree is standing as a Labour councillor for Westminster again today after losing in 2007. A lifelong supporter of the party, he says he was spurred on by a 'sense of dissatisfaction' Photograph: Guardian/Christian Sinibaldi Photograph: Guardian/guardian.co.uk One of the first things Nick Clegg did when he became Lib Dem leader was enlist Brian Eno as youth advisor to help him fix 'broken politics'. Rumours that Clegg attempted to recruit David Bowie, Dave Gilmour and Brian Ferry to form a Lib Dem supergroup are not confirmed Photograph: Guardian/Martin Godwin Photograph: Guardian/guardian.co.uk Former D:Ream keyboardist turned scientist Brian Cox once provided New Labour with its 1997 anthem, Things Can Only Get Better. Now he's said to be voting Lib Dem in protest at academic funding cuts. Cox said cuts would be 'a disaster and absolutely silly, unless there’s an astonishing way that he’s (Peter Mandelson) found of making our universities better by giving them less money' Photograph: Mike Hogan/Antonio Saba/BBC Photograph: Mike Hogan/Antonio Saba/guardian.co.uk He once quaffed bubbly with Tony Blair at No 10, but Noel Gallagher appears to be feeling a bit disillusioned with politics these days. 'I'm just going to take my voting card and I'm going to put in massive letters 'Tevez is God' and throw it at the polling station' he joked in an interview Photograph: Jo Hale/Getty Images Photograph: Jo Hale/guardian.co.uk