1. Amy Bruckner played Pim Diffy on Phil Of The Future:
This was her then:
This is her now, she's 31:
2. Maisy Stella played Daphne Conrad on Nashville:
This was her then:
This is her now, she's 18:
3. Jake Thomas played Matt McGuire on Lizzie McGuire:
This was him then:
This is him now, he's 32:
4. Tenzing Norgay Trainor played Parker Rooney on Liv and Maddie:
This was him then:
This is him now, he's 21:
5. Savannah Paige Rae played Sydney on Parenthood:
This was her then:
This is her now, she's 19:
6. Xolo Maridueña played Victor Graham on Parenthood (not the youngest sibling, because Sydney was, but just go with it):
This was him then:
This is him now, he's 21:
7. Tahj Mowry played T.J. Henderson on Smart Guy:
This was him then:
This is him now, at 36:
8. Lily Nicksay played the original Morgan Matthews on Boy Meets World:
This was her then:
This is her now, she's 34:
9. Nolan Gould played Luke Dunphy on Modern Family:
This was him then:
This is him now, he's 23:
10. Madeline Zima played Grace Sheffield on The Nanny:
This was her then:
This is her now, she's 37:
11. Parker McKenna Posey played Kady Kyle on My Wife And Kids:
This was her then:
This is her now, she's 27:
12. Mackenzie Rosman played Ruthie Camden on 7th Heaven:
This was her then:
This is her now, she's 33:
13. Jake T. Austin played Max Russo on Wizards of Waverly Place:
This was him then:
This is him now, he's 27:
14. Kyle Massey played Cory Baxter on That's So Raven:
This was him then:
This is him now, he's 31:
15. Madison Pettis played Sophie Martinez on Cory in the House (I knowww she's not a little sibling, but she's kind of the little sibling of the show):
This was her then:
This is her now, she's 24:
16. Mia Talerico played Charlie Duncan on Good Luck Charlie:
This was her then:
This is her now, she's 14:
17. Skai Jackson played Zuri Ross on Jessie:
This was her then:
This is her now, she's 20:
18. Moisés Arias played Rico on Hannah Montana (again, I know technically not a little sibling, but counting him as a little brother because he's very little-brothery):
This was him then:
This is him now, he's 28:
19. Atticus Shaffer played Brick on The Middle:
This was him then:
This is him now, he's 24:
20. Aubrey Anderson-Emmons played Lily Tucker-Pritchett on Modern Family:
This was her then:
This is her now, she's 15:
21. Kamil McFadden played Ernie Cooper in K.C. Undercover:
This was him then:
This is him now, he's 26:
22. Noelle and Cali Sheldon played Emma on Friends:
This is one of them then (no idea which):
This is them now, they are 20:
23. August Maturo played Auggie Matthews on Girl Meets World:
This was him then:
This is him now, he's 15:
24. Tyree Brown played Jabbar on Parenthood:
This was him then:
This is him now, he's 18:
25. Jacob Smith played Owen Salinger on Party of Five:
This was him then:
This is him now, he's 32:
26. China Anne McClain played Chyna Parks on A.N.T. Farm:
This was her then:
This is her now, she's 24:
27. Davis Cleveland played Flynn Jones on Shake It Up:
This was him then:
This is him now (on the left), he's 20:
28. And finally, Dylan and Blake Tuomy-Wilhoit played Nicky and Alex on Full House:
This is them then:
