Lily, who is currently suffering from food poisoning, tweeted: “I dedicate my next sick to to you lot. #taxdodging."
She added: “Can't get through to NHSDirect , no midwives in your area ? Well at least the Queen got a nice birthday party/jubilee , whatever @GaryBarlow.”
Labour’s Margaret Hodge, chair of the Commons Public Accounts Committee, said Barlow “might want to show a bit of contrition by giving back his OBE” but David Cameron disagreed saying the singer was appointed his OBE for his charity work and the tax avoidance issue shouldn't affect that.
He told Sky News: "Gary Barlow has done a huge amount for charity, raising a huge amount for Children in Need."
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Take That lead singer Gary Barlow at the Smash Hits Awards in London, where they won seven categories, including Best Group and Best Single Video.
(02 of11)
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Take That perform on stage at the Brit Awards. L-R; Jason Orange, Gary Barlow, Howard Donald.
(03 of11)
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Gary Barlow London, July 1999 Pic Credit: WENN/ Paul Doyle
(04 of11)
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Gary Barlow Take That performing at the NEC Birmingham Birmingham, England - 26.04.06 Credit: (Mandatory): Danny Clifford/Hottwire.net/WENN.com
(05 of11)
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Gary Barlow signs copies of his book 'My Take' at Waterstones London, England - 09.10.06 Credit: Lia Toby / WENN
(06 of11)
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Gary Barlow and Ronan Keating perform a duet together of the song 'Harvest For The World' on stage at the Concert of Hope in aid of the Diana Princess of Wales Memorial Fund.
(07 of11)
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Take That Performing live at a special showcase for their fans to launch their debut album "Take That & Party" The Hippodrome London Credit: (Mandatory): George Chin / WENN.com
(08 of11)
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Jason Orange, Mark Owen, Gary Barlow and Howard Donald of Take That pose at a signing session for their new Album 'Beautiful World' at HMV on November 27, 2006 in London, England. (Photo by Jo Hale/Getty Images)
(09 of11)
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Jason Orange, Gary Barlow, Mark Owen and Howard Donald of Take That performing in concert at the O2 Arena in Greenwich, London. *** Local Caption *** Jason Orange;Howard Donald;Gary Barlow;Mark Owen
(10 of11)
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Pop group Take That backstage. (l-r) Robbie Williams, Howard Donald, Mark Owen, Jason Orange and Gary Barlow
(11 of11)
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Singers Gary Barlow and Cheryl Cole perform on stage during the Diamond Jubilee concert at Buckingham Palace on June 4, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. (Photo by Dan Kitwood/Getty Images)