Singer did not deliver track to legend on time
Singer pulls out of Island Records bash
It's just three weeks since singer was last hospitalised
Spokesperson puts word out that she wants to play V Festival
Technical difficulties blamed for shambolic performance
Rain has been lashing down in the Caribbean
She spends the night in hospital
She turns up late for court
Singer is not travelling to the US
Fratellis, Keane, Sly & Robbie also set for Island Records shows