Singer says 'there's been no conversations about who owns the name'
Her legal team are 'hopeful' the registration will be granted
Management issue a firm denial that the original members are about to reform
But Warner Music denies signing up Keisha, Mutya and Siobhan
Singer is suffering from 'a severe bout of nervous exhaustion'
Heidi Range says reports are 'completely not true'
Former band member speaks about split
Singer says it wasn't her decision to leave the group
Last original member leaves, yet Heidi and Amelle set to continue