We've already tested your knowledge on celebrity bikini bodies, tattoos, engagement rings and even their mothers — and now we want to see how much you know about their brothers and sisters! Whether it's a stroll down the red carpet with their brother or a meal out with their sister, we love to see some good old-fashioned sibling bonding. Take our quiz to find out if you can match the celebrity and their brother or sister!
Question 1 of 10
Guess who posed at a premiere with her half-brother?
DSquared
Michael Kors
Beyond The Valley
I didn't know she had a brother.
19/10 ashley has an older bro
27/10,
3would've got 8 had i not changed my mind last minute on the christina one.
7/10
48/10. That was fun! lol
59/10 - I was actually shocked how well I did.
I didnt know that Olsens had a brother, what he must think of them....
6Vickis sister was like a blonde clone, what she must think of her.
9/10 - I had no idea the olsens had a brother either! VB's sister looks just like her!
78/10. I never knew the Olsens had a brother.
87/10...
98/10
109 out of 10 aint bad.
should of followed my 2nd choice on that #5 i think...
1110/10 and only knew about Ryan Gosling and Jessica Alba's siblings. The rest I managed to guess based on facial features..the last one was tricky, but if you look closely, he really looks like then, something about his mouth or eyes..plus it said older brother..he could've hardly been the older brother of Sienna Miller. And Mandy Moore is wayyy taller than that...
128/10 not too shabby
13until now it never really amazed me how much siblings look alike...geez!
149/10! Woohoo!
15woohoo!! 10/10! Much easier seeing as how the siblings all looked very similar:)
168/10
17lol, i know ashley's brother from their mystery series for little girls. my kids love those movies. they have a younger sister too, wonder where she is.
184/10.
Jennifer and Victoria look very similar to their sisters.
1910/10..yipeeee
206/10....I was terrible!
21Wow! I thought that was Brad with J.A? I didn't know she had a brother but oddly! I always thought Brad & Jennifer looked like Brother & Sister.
Btw, I thought Picture Perfect was a great movie.
22Don't even know how I did it, but 10 out of 10 baby! Last one almost got me!
237/10, not bad. I thought the last guy looked a bit like the olsens, but I really didn't think they had an older bother
24V-Becks and sister look identical
25didn't know the olsen twins had a brother!oh and I luv Ashley's dress^^
26YAY, 10 out of 10!
278/10...
28It helps that they looked like their siblings!
Oh Wow, You can tell they're sister by the big mouths, it runs in the family.
296/10 its ok
3010 out of 10
315 out of 10
328/10, I second guessed myself on VB's sister, I thought it was TOO similar! Plus I didn't know the Olsens had a brother, either, thought he looked kinda like R-Bils... but she looks younger than she is, I remember that now.
338/10.
I missed on Michelle Pfeiffer and I forgot who else.
34That was fun! Some of them were unmistakable (hello Posh!)
359/10 ... pretty good
369/10.
3710/10.
38yay me.
The only reason I picked Jennifer anistons brother is that there is something Brad Pittish about him.
399/10 - thought the Lindsay one was Hilary.
4010/10 yipee
41nicole richie is lionel's adopted daughter, right? it is interesting that her sister looks so much like her - is she biologically lionel's?
428/10
4310/10 woot woot!!
4410/10 am a genius!
459/10
4610/10 yeaahhh
478/10. I'm pleased.
48Sweet! 10/10! Most of the siblings look really similar. Victoria Beckham and her sister look like they could be twins!
498/10
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