OMG! I found one of Lady Gagas hat online for sale!! 

I saw a picture of lady gaga wearing an amazing hat for a প্রদর্শনী like 3 months ago, I've looked everywhere for this hat with my friends! I finally found out!! There selling it online at link
মূলশব্দ: লেডি গাগা, hat, hats, dream control hats, dream control inc