Alexandra Marchenko, known as Sasha Kat, was born on April 19, 1999, in Kostanay, Kazakhstan. She began her online presence around 2014–2015 with YouTube videos and VK posts, quickly gaining popularity among Russian-speaking youth for her neon style, bright hair, and candid discussions on life and relationships. After moving to Saint Petersburg, she expanded her content to include vlogs, music in pop and hyperpop genres, challenges, and lifestyle posts across Instagram, YouTube, and VK.
Sasha Kat's petite stature of 155 cm and distinctive doll-like appearance have become her recognizable traits. As a leading internet influencer and singer, she represents Generation Z in the Russian-speaking internet community. She remains unmarried and continues to live in Saint Petersburg, maintaining her Kazakh nationality.
