Having a face that makes people want to touch it in awe is a huge plus in Hollywood, but who would have thought all of these smouldering stars were hiding siblings who might just be even sexier than they are.
It's an old saying that beauty is in the eye of the beholder, so make sure you vote for which sibling you find the most splendid in the polls below so we can determine the survival of the fittest!
11. Penélope and Mónica Cruz
Penélope Cruz is one of the most glossy, gorgeous ladies in Hollywood, but her younger sister, Mónica was equally gifted in the looks department.
While we all know what Penélope Cruz does for a career, it's a lesser known fact that Mónica is also an actress in her native Spain.
Although you won't know it, you might also have seen Mónica Cruz in Pirates of the Caribbean: On Stranger Tides. When Penélope was heavily pregnant, Mónica stood in for some full-body shots because the pair looked identical from a distance.
Who do you think is the most charming Cruz?
10. Zac and Dylan Efron
Zac Efron might have stolen hordes of teenage hearts when he appeared in High School Musical, but did you know he has a taller younger brother who also packs a pretty impressive beach physique? Everyone, meet Dylan Efron.
Who is the most edible Efron?
9. Emma and Alex Watson
Emma Watson has turned her English rose features to modelling as well as acting, but her 22-year-old brother is the true pro in this department.
Alex Watson and his razor sharp cheekbones are on the books for the prestigious Storm modelling agency in London, but huge fans of the Watson family dynasty will know that Alex also appeared as an extra in Harry Potter twice when he was a littleun'
Who is the true Watson of wonders
8. Liv and Chelsea Tyler
Liv Tyler might totally own having Steven Tyler's face, but her younger sister, Chelsea arguable wears it better.
26-year-old Chelsea is in an electro-soul duo named Kaneholler with her fiance, Jon Foster. Maybe this pair bonded are the face that they both have more famous celebrity relatives as he is the brother of actor, Ben Foster.
Who do you think is the tastiest Tyler
7. Tyler and Jesse Posey
Tyler Posey might be a Teen Wolf, but his younger brother Jesse is a total fox!
Who is the prettiest Posey?
6. Gisele, Patricia and Gabriela Bündchen
Nature clearly believes in nepotism when it comes to distributing dashing good-looks through the populous, and no family proves this more than the beauteous Bündchens
Supermodel Gisele has five sisters, including Patricia on the right who is her unidentical twin, but do you prefer petit blonds or statuesque brunettes?
Who do you think is best of the Bündchens?
5. Josh and Connor Hutcherson
Josh Hutcherson's dazzling smile is enough to get thousands of hearts a'fluttering, but his younger brother Connor is hot on his heels.
Aged just 19-years-old, the littlest Hutchinson is also trying his hand at acting and is probably best known for voice role in the animated Tarzan II as Tonka.
Who do you think is the hottest Hutcherson?
4. Sofia and Sandra Vergara
Sofia Vergara is by far the most recognizable Columbian cutie, but her 26-year-old sister, Sandra is also totally slaying it when it comes to bringing face.
It might not just be her similarity to her older sister that makes Sandra look familiar to you, she also had a starring role in 2011's Fright Night and has taken part in a few naughty lingerie shoots.
Who do you think is the most dazzling Vergara?
3. Chris and Scott Evans
Captain America might have the most bulging biceps in Hollywood, but his younger brothers strong beard game could be enough to dethrone him!
31-year-old Scott Evans is an actor like his big bro, but unless your into daytime soaps such as One Life to Live, you've probably never laid eyes on him.
Who do you think is the most appealing Evans
2. Zoe and Cisely Saldana
Zoe Saldana might be one of the Guardians of the Galaxy, but if she ever fancies retiring, her sister Cisely could step in and a lot of people wouldn't notice the difference.
Cisley Saldana also works in Hollywood as a producer for TV shows such as the Rosemary's Baby mini series in 2014.
Who do you think is the sexiest Salanda?
1. Blake and Eric Lively
Blake Lively is undeniably beautiful, but she does also run a lifestyle blog that is enough to make the toes curl, and that automatically deducts points.
Her older brother Blake doesn't have such crimes to answer for however! If that magnificent mug seems familiar to you, you probably remember it from The Butterfly Effect 2 or The L Word.