Irina Petrenko, known as Inst Rina, was born on August 22, 2002, in Moscow. She is a Russian dancer, choreographer, and blogger who gained recognition through collaborations with Dana Milokhin and her TikTok account with over 1.5 million followers. Starting dance in childhood, she performed with Alla Dukhova's ballet “Todes” and at major venues like the Olympic Stadium and Crocus City Hall. She founded a dance school offering courses in hip-hop, dancehall, and jazz-funk, and maintains active social media profiles on Instagram, Telegram, VK, and YouTube, sharing dance content and vlogs. Inst Rina participated in Chill Zone in 2021 and appeared on shows such as “How Much Will You Give?” and Ani Akulich's show in 2025.
From 2021 to spring 2022, she dated rapper MAYOT (Artem Nikitin). In 2025, she had a relationship with Kokoshka, who promoted her brand with a billboard. She remains unmarried and private about her personal life. In 2025, intimate photos and videos, including nude material, were leaked and circulated on Telegram and various websites, generating public attention.