she will group with the ladys in waiting if there are any. if they are positioned as follows :
1 2 [Kacey} 3 4
as seen from the gate, i find that normally pulling 4 or 1 (when fully spawned) will bring kacey plus 2 or 3, pulling kacey with full spawn will bring them all.
the cloak you want is more often dropped by suitor spirits :)