Gaëlle Vanhoffelen (MSc) is a PhD candidate at the Media Psychology Lab at KU Leuven. After earning her Master’s degree in Communication Sciences from KU Leuven in 2021, she joined the ERC-funded MIMIc project led by Prof. Vandenbosch, titled “Malleability in Mediated Ideals: A Paradigm to Understand Effects of Contemporary Media on Adolescents' Well-Being”. Within this project, she was responsible for the Belgian data collection across a three-wave intercultural panel study, a daily diary study, and a social media content analysis. In 2022, Gaëlle was awarded a PhD fellowship from the Research Foundation – Flanders (FWO). Her doctoral research focuses on the various facets (e.g., authenticity) of self-presentation on social media and its implications for adolescents’ well-being and identity development. Her work has been published in several high-impact peer-reviewed journals and presented at leading international conferences, including the International Communication Association (ICA) and the European Communication Research and Education Association (ECREA).