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Isle of Wight's Bestival, created by DJ Rob Da Bank, was named the fan's favourite, following this year's line-up which included Bjork, The Cure and PJ Harvey.
Meanwhile, Glastonbury has been named the UK's best major festival at an annual awards ceremony.
The Somerset event - which this year featured headline slots from U2, Coldplay and Beyonce - triumphed at the UK Festival Awards, held in London last night.
Ed Sheeran was named best breakthrough artist for his many outdoor appearances, beating acts such as Jessie J and The Vaccines. Paolo Nutini was awarded the title headline performance of the year.
The Secret Garden Party took the best medium-sized festival prize, while End Of The Road was named best small festival.
Sonisphere - staged at Knebworth House - landed the best line-up prize following appearances from Metallica, Slayer, Anthrax and Megadeth.
Derbyshire's Y-Not Festival was a double winner, taking the prize for best ``grass roots'' festival and best toilets.
The awards event was staged at London's Roundhouse.