Anastasiia Oleksiivna Kamenskykh (Ukrainian: Анастасія Олексіївна Каменських; born 4 May 1987), known professionally as NK, is a Ukrainian pop and R&B singer, actress, television personality, and businesswoman. She speaks five languages: Ukrainian, Russian, English, Italian, and Spanish. During 2006-2017, NK performed as part of the duo Potap & Nastya alongside Oleksii Potapenko. The duo became very popular and received multiple awards and worldwide prominence. In 2017, she began her solo project NK.