Racing's leading hurdlers were long thought to be destined to meet at the festival.
Dual Champion Hurdler Honeysuckle will retire after her final race in the Mares Hurdle on day one of the Cheltenham Festival.
Rachael Blackmore will be on board the nine-year-old who won a remarkable 12 grade one races in her career.
She was on target to finally face Champion Hurdle favourite Constitution Hill before a dip in results convinced her connections to change plans.
Offaly's John Hackett, formerly of Hackett's Bookmakers, says Nicky Henderson's runner is probably unbeatable at the moment:
The Going is Soft today
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