Katy Perry's £1000 trampoline

Bids for a cupcake trampoline used by Katy Perry have reached £1000 in an auction for Japan.

There's just two days left in the auction and the prop used in the first half of Perry's California Dreams tour, has attracted 37 bids.

The online auction was organised by EMI music. Coldplay star Chris Martin's tour jacket and gold disc (of Viva La Vida) raised £8,600

All the money raised goes to the Red Cross' earthquake and tsunami relief effort.