Lady Gaga in 2007 and at ELLE's 25th Annual Women In Hollywood Celebration in 2018.Twitter/Lady Gaga and Neilson Barnard/Getty Images for ELLE Magazine
- Britney Spears, Christina Aguilera, Beyoncé, and Alanis Morissette have come a long way since "Star Search."
- Justin Bieber's mom began uploading YouTube videos of her son singing in 2007, while Post Malone got his start on SoundCloud.
- Katy Perry started off as a gospel singer.
Everyone's gotta start somewhere.
From a young Justin Bieber singing his heart out on YouTube, to Britney Spears, Justin Timberlake, and Christina Aguilera honing their talents on "The Mickey Mouse Club," the world's most famous musicians were once just like everyone else in the business: trying to make it big.
We took a look back at 20 famous musicians at the dawn of their careers, and compared their humble beginnings to where they are now.
Keep scrolling to see your favorite artists before they climbed the charts.