The 20-year-old entertainer hosted the konsert that night with LL Cool J and she was joined backstage sejak her mom Tish Cyrus.
The hari before, Miley met up with Z100?s programming director Sharon Dastur to play her some of her new tunes. Check out the foto below!
FYI: Miley is wearing a vintage Versace dress and Jean-Michel Cazabat shoes.