(CNN) -- As if Saturday's date -- 12/13/14 -- wasn't special enough, it's also entertainer Taylor Swift's 25th birthday, and the Internet is celebrating. So, what happens when you're Taylor Swift and it's your birthday? For one, legions of Swifties rejoice, celebrating everything from your red lipstick to your Billboard "Woman of the Year" award and seven Grammys, making you a worldwide trending Twitter topic. Also, Aretha Franklin sings you "Happy Birthday" in front of some of the music industry's biggest names. And, your close pals Jay-Z, Beyonce, Justin Timberlake and Karlie Kloss help you celebrate. Even your bff Selena Gomez gets her nails done in your honor. Even Swift is calling it the #bestbirthdayEVER... until next year, most likely. The CNN 10: The Influentials .
Taylor Swift turns 25 on 12/13/14 . #HappyBirthdayTaylorSwift is a worldwide trending topic .