@zacefron/instagram
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A knack for entertainment runs in the Styles family. Harry’s sister launched her own podcast, Good Influence, last November.
@gemmastyles/instagram
Noah Beck’s younger sister posted a funny TikTok about the “struggles” of being related to a social media star. (The two also have an older sister.)
@taatum_nicole/instagram
@tatum_beck/tiktok
When Halsey caught wind of fans finding out she had a hot brother, she posted a hilarious big-sister response on Twitter.
Frederick M. Brown/Getty
@iamhalsey/instagram
Watch (or rewatch) seasons 5 and 6 of Game of Thrones to spot Pugh’s brother, Toby.
Karwai Tang/WireImage
The Dance Moms alumna has an older brother who’s known on social media as The Food Dude.
@jaydensiwa/instagram
The singer has two brothers, but did you know he has a sister?
Kevork Djansezian/NBC
The younger Efron joined Zac in filming season 2 of the Netflix series Down to Earth. The Efron brothers holding cute animals? Yes, please.
@zacefron/instagram
Seeing double? Nope, Rami has a twin brother, Sami.
Paul Archuleta/FilmMagic
Twins abound in Hollywood. Scarlett is older than her twin brother by a few minutes.
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Dimitrios Kambouris/VF11
The Folklore singer’s younger brother has carved his own way in entertainment as an actor.
Christopher Polk/ACMA2014
Surprise! There are actually three Reinhart girls. The family resemblance is uncanny.
@chloe_reinhart/instagram
The heartthrob’s older sister appeared in The King of Staten Island alongside Pete Davidson.
Jeff Kravitz/FilmMagic
Model Jordyn Woods’ sister Jodie is rising-star material, with one million Instagram followers.
@jordynwoods/instagram