Justin Bieber, The Weeknd and 14 More Celebrities Who Were Discovered on Social Media

Gear up for the series premiere of Hashtaggers with a gallery of stars who launched their careers online

Never say never!

Before Justin Bieber was chilling by the fire eating fondue, he was just an adorable, aspiring singer who posted covers of Chris Brown and Justin Timberlake on YouTube. Flash-forward almost a decade later and he's selling out arenas and posing in steamy Calvin Klein ads!

Get ready for the premiere of Hashtaggers, E!'s first scripted, digital series, by taking a look at more celebrities, including The Weeknd and Kate Upton, who launched their careers on social media!

Watch Hashtaggers when it premieres Feb. 8 on E! Online!