1 of 13
Celebrity Siblings: Then & Now — Pics

2 of 13
Mary Kate & Ashley Olsen

3 of 13
Willow & Jaden Smith

4 of 13
Kendall & Kylie Jenner

5 of 13
Gigi & Bella Hadid

6 of 13
Dylan & Cole Sprouse

7 of 13
The Jonas Brothers

8 of 13
Miley & Noah Cyrus

9 of 13
Beyonce & Solange

10 of 13
Nicole & Sofia Richie

11 of 13
Dakota & Elle Fanning

12 of 13
Haylie & Hilary Diff

13 of 13
Ashlee & Jessica Simpson
