1. Billie Eilish: American singer-songwriter. She is known for her unique and melancholic style, combined with her alternative electronic beats. She gained popularity with songs like "Ocean Eyes" and "Bad Guy" from her debut album "When We All Fall Asleep, Where Do We Go?".
2. Shawn Mendes: Canadian singer and songwriter. He rose to fame with his debut single "Stitches" and has since released hits like "Treat You Better", "There's Nothing Holdin' Me Back", and "Señorita" (with Camila Cabello). He is known for his soothing vocals and soulful lyrics.
3. Olivia Rodrigo: American singer and actress. She gained immense popularity with her debut album "Sour", which explored themes of heartbreak and adolescence. Her hit singles include "Drivers License", "Deja Vu", and "Good 4 U".
4. Justin Bieber: Canadian singer-songwriter. He rose to stardom as a teenage phenomenon with hits like "Baby" and "One Time". Over the years, he has evolved his musical style and gained critical acclaim with songs like "Sorry", "Love Yourself", and "Intentions".
5. Camila Cabello: Cuban-American singer and songwriter. She rose to prominence as part of the girl group Fifth Harmony before launching a successful solo career. Her hits include "Havana" (featuring Young Thug), "Never Be the Same", "Señorita" (with Shawn Mendes), and "My Oh My" (with DaBaby).
6. Halsey: American singer-songwriter. Known for her introspective lyrics and ethereal vocals, Halsey gained popularity with songs like "Closer" (with The Chainsmokers), "Ghost", and "Without Me".
7. Charlie Puth: American singer-songwriter. He got his break with the song "See You Again" (with Wiz Khalifa), which became a worldwide hit. He later released hits like "Marvin Gaye" (featuring Meghan Trainor), "Attention", and "How Long".
8. Khalid: American singer-songwriter. He emerged onto the scene with his soulful vocals and introspective lyrics. His hits include "Location", "Young Dumb & Broke", "Talk", and "Eastside" (with Benny Blanco and Halsey).
9. Dua Lipa: British singer and songwriter. She gained popularity with her self-titled debut album, featuring hits like "New Rules", "IDGAF", and "One Kiss" (with Calvin Harris).
10. Ariana Grande: American singer and actress. She started as a child star on Broadway and Nickelodeon shows, but her music career skyrocketed with hits like "Problem" (featuring Iggy Azalea), "Break Free" (featuring Zedd), and "Thank U, Next".
These are just a few examples of famous young singers who have made a significant impact on the music industry.