Amy Winehouse will perform at Glastonbury next month, according to the festival's organisers.

Winehouse will appear on the Pyramid stage on the night of June 28, directly before Jay-Z, the Somerset festival's headlining artist, takes the main stage. It will be her second appearance at the festival in as many years.

Controversy has accompanied the Grammy-winning artist frequently over the last year. In August 2007 she was taken to hospital after a reported overdose. In April this year she was cautioned by police for slapping a man in a Camden bar. Earlier this month, the 24-year-old singer was released without charge after being arrested and questioned over video footage that appeared to show her inhaling fumes from a crack pipe.

Her husband, Blake Fielder-Civil, is in prison awaiting trial on charges of conspiracy to pervert the course of justice.

A Glastonbury organiser said the delay in the announcement had nothing to do with Winehouse's personal life. "We just wanted to make sure her team was happy with the announcement before she was confirmed," the spokesman said.

The Glastonbury Festival will take place between June 27 and 29. Other performers will include John Mayer, the Raconteurs and Massive Attack.

Winehouse is also booked to headline Bestival on the Isle of Wight and to perform at T In The Park and the V Festival.

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