Instagram: stephanie_santiago
Followers: 151,545
Photos taken to date: 1,211

Why you should follow: The New York-bred model and video vixen went from conquering the cameraphone-to-bathroom mirror game to her memorable cameo in 2 Chainz and Kanye West's "Birthday Song" video in a super-duper skin-tight body suit. Like, what more can you ask for on your birthday?