Anastasia 'Stassie' Karanikolaou recently shared workout-themed content with her 10.5 million Instagram followers, showcasing her fitness journey in a heather gray sports bra and Alo Yoga capri leggings. The 27-year-old influencer, known for her friendship with Kylie Jenner, exhibited a makeup-free look with rosy cheeks post-workout, emphasizing her toned figure and style. She posted several images and clips from her exercises, which included body-sculpting moves, and featured a 'pre sweat' photo as well. Additionally, Karanikolaou appeared in a recent Instagram post by Jenner, wearing a leopard print mini dress, further highlighting their close friendship. This content underscores her commitment to fitness and her ongoing connection with her celebrity circle.