24 photos of celebrities with their brothers and sisters that you never knew about!

1. Justin Theroux (Mr. Jennifer Aniston in real life) and his little brother Sebastian

2. Austin is Taylor Swift’s brother, and will soon begin his acting career.

3. Lady Gaga has a sister! Natali Germanotta, and she’s only 24 years old.

4. Stella is a singer and model, but above all she’s Vanessa Hudgens’ sister.

5. Miley Cyrus and her sister Brandi, but there are actually 8 brothers and sisters. Let’s hope they’re not as wild as these two!

6. Scarlett Johansson has a twin!

7. Brad Pitt has a brother who’s 3 years younger than him. His name is Doug Pitt and he is a businessman.

8. Robert Pattinson has two sisters who are easy on the eyes as well, Lizzy and Victoria.

9. Rihanna has a brother born in 1997, Rajad Fenty.

10. Dylan, 23, carrying his big brother, Zac Efron

11. Penelope Cruz, all smiles with her brother and sister

12. Here’s Lana Del Rey's sister. They also have a brother, Charlie Hill Grant.

13. The actress and director Lupita Nyong'o, known for Twelve Years a Slave, and her brother Peter

14. Aston Kutcher and Michael are…twins!

15. Jared and Shannon Leto. We are not all created equal!

16. Usher and his half-brother, James Lackey

17. Jessica and Joshua Alba, who has played in only a few movies, including an episode in the TV show “Monk”

18. Emma Watson and her brother Alex, a model in London

19. We know James and Dave Franco, but we know much less about the youngest, Tom.

20. Angelina Jolie has a brother! James Haven who has been in 12 short films and on an episode of CSI called “Suckers”.

21. Kate Moss and her sister, Lottie

22. Gwyneth and Jake Paltrow. Her brother directed and produced movies without much success.

23. Jennifer Lawrence and her brothers, Blaine and Ben Lawrence

24. Bradley Cooper and his older sister, Holly