Selena Gomez overtook Taylor Swift as the most-followed celebrity on Instagram, as two of pop's leading women once again dominated the social networking site in 2016. In Instagram's annual rankings released Thursday, Gomez was the most-followed celebrity with 103 million followers, while Swift was second with 93.9 million. Selena, 24, also had the most-liked celebrity photo and video on Instagram, and was the most-mentioned artist on the social media network.