SEAMIE Heffernan will take over in the saddle from suspended apprentice Joey Sheridan when Princess Zoe bids to double her Group 1 tally in the Prix Royal-Oak at ParisLongchamp.

The Tony Mullins-trained mare has enjoyed a meteoric rise since being bought from Germany this year, progressing from a mark of 64 when second on her Irish debut at Navan in June to claim top-level honours in the Prix du Cadran on Arc weekend.