Please post Screenshot of your Winning amount 4.4 BTc which Shows you actually plays or tranx hash seeds which shows your winning any link or Something which proof this.

Try to complaint at this link mention on site - https://www.bitstarz.com/complaints

make your complaint here and wait for results dont worry
https://www.askgamblers.com/submit-complaint-p47

if your are geneous you will get your reward