The "Mama's Broken Heart" singer took to Instagram to share a snap of herself modelling one of two family heirlooms she had been given by her grandmother for the holidays, reported Entertainment Tonight.
"'I'm so fancy... You already know", she captioned the image, quoting lyrics from Iggy Azalea's Fancy hit.
"My Nonny gave me two of her fur coats!" she added. "I definitely know where I got my love for DIAMONDS, FUR and WHISKEY!"
She also uploaded a photo of her beloved grandmother.
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The social media pictures have also been condemned by People for the Ethical Treatment of Animals' (PETA) Senior Vice President Lisa Lange.
"We had higher hopes. Since Miranda rescues dogs, we always thought she could see that whether fur comes from a mink, a fox, or a dog or a cat in China, the source is always a gentle animal who did not want to die," read a statement.
The singer is yet to respond to the online criticism.