Frankie Jonas is actually WAY younger than the rest of the Jonas brothers.
There are countless famous siblings we see all the time, but if you ever stopped and looked at their ages, you’d be a little surprised at how far apart they really are.
Here are some famous siblings with age gaps that may be a bit bigger than you’d expect:
Kim Kardashian and Kylie Jenner have an age difference of 17 years.
Kim, the second oldest of the Kar-Jenner clan, is currently 41 years old. And Kylie, the youngest, 24 (25 in August). Like, she knew they had an age difference, but she didn’t know it was 17 years.
Now, let’s bring Kourtney, the oldest of the brothers with 43 years. She and Kylie have a 19-year age difference.
Scott Eastwood and Kyle Eastwood have an 18-year age difference.
Scott is 36 years old and Kyle is 54.
Nicole Richie and Sofia Richie have an age difference of 17 years.
Nicole is 40 years old and Sofia is 23.
Tracee Ellis Ross and Evan Ross have a 16-year age difference.
Tracee is 49 years old and Evan is 33.
Alexander Skarsgård and Bill Skarsgård have an age difference of 14 years.
Alexander is 45 years old and Bill is 31.
Kevin Jonas, the eldest Jonas brother, and Frankie Jonas, the youngest, have an age difference of 13 years.
Kevin is 34 and Frankie is 21. And apparently now they’re hosting a new competition show called claim to fame.
But of course we can’t forget these old days!
Brooklyn Beckham and Harper Beckham have a 12-year age difference.
Brooklyn, Beckham’s eldest son, is 23 years old, and Harper, the youngest, is 11.
Rosanna Arquette and David Arquette have a 12-year age difference.
Rosanna is 62 years old and David is 50.
Chloë Grace Moretz and Trevor Duke Moretz have an age difference of almost 11 years.
Chloë is 25 years old and Trevor, who acted in movies like kick ass 2 — is 35 (going through 36).
Ariana Grande and Frankie Grande have a 10-year age difference.
Ariana is 29 years old and Frankie is 39.
Toni Braxton and Tamar Braxton also have almost a 10-year age difference.
Toni is 54 years old (she’s turning 55!) and Tamar is 45.
Oliver Hudson and Wyatt Russell are also nearly a decade apart.
Oliver is 45 (46 in September) and Wyatt is 36.
Demi Lovato and Madison De La Garza have a nine-year age difference.
Demi is currently 29 years old and Madison is 20. And here they are in 2010, during those Disney days. SO. LENGTH. BEHIND.
Jesse Eisenberg and Hallie Eisenberg also have a nine-year age difference.
Jesse is 38 (he’s turning 39) and Hallie is 30.
And here’s Jesse and Hallie at the 1999 premiere for bicentennial man, where Hallie played the young “little miss” Amanda Martin. So beautiful!!!
Miley Cryus and Noah Cyrus have an age difference of almost eight years.
Miley is 29 (30 in November) and Noah is 22. When Miley first audition by Hannah Montana at 11, Noah was just a little boy!
Trey Smith and Willow Smith have an age difference of eight years.
Smith’s eldest son, Trey, is 29 and Willow, the youngest, is 21.
Beau Bridges and Jeff Bridges also have an age difference of eight years.
Jeff is 72 years old and Beau is 80.
Twin girls Tia and Tamera Mowry are eight years older than their brother, Tahj Mowry.
Tia and Tamera are 44 years old and Tahj is 36.
And finally, Chris Hemsworth and Liam Hemsworth have an age difference of almost seven years.
Chris is 38 (going to 39) and Liam is 32. Oh, and Hemsworth’s older brother Luke is 40 (going to 41). Take it all.
Did any of these sibling age differences surprise you when you first discovered them? Let us know in the comments below!