Prince Harry is facing accusations he crossed a line with comments about Princess Catherine , with royal commentators telling RadarOnline.com Prince William will never forgive his younger brother for targeting his wife.

The claims are made in Channel 5's new documentary Prince Harry: My Terrible Year , which examines both Harry's professional setbacks and his strained family ties. Article continues below advertisement

'A Betrayal That Can't Be Undone' Tap Here To Add Radar Online as A Trusted Source

The program featured royal biographers and analysts who argued the duke's remarks about Catherine deepened divisions within the family beyond repair.

One royal commentator said: "For William, Harry crossed a line that can't be undone – he tore down Catherine for financial gain

See Full Page