1. First, here's Ariana Grande then:

And here's Ariana Grande now:
2. Here's Avan Jogia then:

And here's Avan Jogia now:
3. Here's Drake Bell then:

And here's Drake Bell now:

4. Here's Victoria Justice then:

And here's Victoria Justice now:
5. Here's Keke Palmer then:

And here's Keke Palmer now:
6. Here's Josh Peck then:

And here's Josh Peck now:
7. Here's Elizabeth Gillies then:

And here's Elizabeth Gillies now:
8. Here's Devon Werkheiser then:

And here's Devon Werkheiser now:
9. Here's Daniel Curtis Lee then:

And here's Daniel Curtis Lee now:
10. Here's Jamie Lynn Spears then:

And here's Jamie Lynn Spears now:
11. Here's Miranda Cosgrove then:

And here's Miranda Cosgrove now:
12. Here's Lindsey Shaw then:

And here's Lindsey Shaw now:
13. Here's Leon Thomas III then:

And here's Leon Thomas III now:

14. Here's Nathan Kress then:

And here's Nathan Kress now:
15. Here's Sean Flynn then:

Here's Sean Flynn now:
16. Here's Jennette McCurdy then:

And here's Jennette McCurdy now:
17. Here's Christopher Massey then:

Here's Christopher Massey now:
18. Here's Erin Sanders then:

And here's Erin Sanders now:
19. Here's Matt Bennett then:

Here's Matt Bennett now:
20. Here's Matthew Underwood then:

Here's Matthew Underwood now:
21. Finally, here's Amanda Bynes then:
