Article continues below advertisementSarah Ferguson is said to be embroiled in a new royal rift while struggling emotionally in the aftermath of her fall from grace, with insiders telling OK! she has been "drowning her sorrows in drink" and directing frustration towards her new rival Queen Camilla.Ferguson, 66, the former Duchess of York, has largely remained out of the public eye in Britain since December, when she attended her granddaughter's christening in London.