At this point, you know everything about Hollywood’s power couples (and even the ones that time has sadly forgotten), but what about its celebrity sibling power duos? Consider this the yearbook they never had, and consider me the one nominating these pairs for superlatives. Prepare to be amazed — here's something to remember these sibling pairs by and to prove that blood really is thicker than water.
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Kendall And Kylie Jenner: The Sportiest Girly Girls
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Frankie And Ariana Grande: Siblings Most Likely To Have Each Other's Backs
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Mary Kate And Ashley Olsen: Sisters Most Likely To Make The Forbes List
Taylor Hill/FilmMagic
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Bella And Gigi Hadid: Most Dynamic Supermodel Duo
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Dylan And Cole Sprouse: Brothers Who Define Twinning
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Nicole And Sofia Richie: Sisters With The Most Swag
Jeff Kravitz/FilmMagic
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Princes William And Harry: Brothers Most Likely To Marry A Princess
Mark Cuthbert/UK Press via Getty Images
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Jessica And Ashlee Simpson: Sisters Most Likely To Make Your 2000s Pop Princesses Playlist
Amanda Edwards/Getty Images
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James And Dave Franco: The Brothers Most Likely To Make Funny Look Good
Bruce Glikas/FilmMagic
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Britney And Jamie Lynn Spears: Sisters Most Likely To Melt Your Heart
KMazur/WireImage
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Liam And Chris Hemsworth: Best Eye Candy
Kevin Winter/Getty Images
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Beyoncé And Solange Knowles: Sibling Divas Most Likely To Break The Internet
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Venus And Serena Williams: Sisters You Least Want To Mess With
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