Princess’s flower’s ill fortune (8)
I believe the answer is:
disaster
'ill fortune' is the definition.
'disaster' can be an answer for 'fortune' (disaster is a kind of fortune). I am not sure about the 'ill' bit.
'princess's flower's' is the wordplay.
'princess's' becomes 'dis'.
'flower' becomes 'aster' (aster is a kind of flower).
'dis'+'aster'='DISASTER'
Can you help me to learn more?
(Other definitions for disaster that I've seen before include "complete failure" , "awful situation" , "Catastrophic occurrence" , "Event causing great damage" , "terrible trouble" .)