Music

12 Adorable Teen Singers, Then And Now

They grow up so fast.

1. Ariana Grande

Kevin Winter / Getty; Jason Merritt / Getty

At age 16 and age 21.

2. Hilary Duff

Gregg DeGuire / WireImage, Steve Granitz / WireImage

At age 14 and age 26.

3. Justin Bieber

Jason Merritt / Getty; Ari Perilstein / Getty

At age 15 and age 20.

4. Selena Gomez

Charley Gallay / Getty; Michael Kovac / Getty

At age 15 and age 22.

5. Demi Lovato

Kevin Winter / Getty; Busacca / Getty

At age 16 and age 22.

6. Nick Jonas

Gregory Pace/BEImages; Ethan Miller / Getty

At age 15 and age 21.

7. Miley Cyrus

Michael Buckner / Getty; Larry Busacca / Getty

At age 14 and age 21.

8. Taylor Swift

Peter Kramer / Getty; Jason Merritt / Getty

At age 16 and age 24.

9. Rihanna

Peter Kramer / Getty; Bryan Bedder / Getty

At age 17 and age 26.

10. Robyn

Tim Roney/Hulton Archive / Getty Images; Steve Granitz / WireImage

At age 16 and age 33.

11. Christina Aguilera

Brian Rasic / Rex USA; Jamie McCarthy / Getty

At age 19 and at age 33.

12. Isaac Hanson

Roger Sargent / Rex USA; David Livingston / Getty Images

At age 17 and age 32.

Dang, Isaac. Dang.

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