Selena Gomez has been overtaken by Ariana Grande as Instagram's most-followed woman. Gomez has held the crown for some time with 146, 267, 801 followers. Now Ariana Grande has 146,286,173 followers. However, Christiano Ronaldo has the most number of followers on Instagram. The footballer has surpassed Gomez in last October. Grande is hyperactive on Instagram and has gained 13 million new followers in last 4 months.