Act Up is exactly what City Girls star Yung Miami did on Twitter Tuesday (October 20) in response to fans who claimed her designer duds were hand-me-downs procured from thrift stores and consignment shops.

While it’s not exactly clear how the accusation landed on the desk of the 26-year-old (born Caresha Brownlee), what is clear is she was having none of the slander – periodt!

Look inside to see her fiery response:

Your thoughts?