The Best New Model-Approved Accessory? A Sister! Inline

  • Lily and Ruby Aldridge
    Photo: Courtesy of Ruby Aldridge
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    Lily and Ruby Aldridge

  • model sisters
    Photo: (Clockwise from top left) Courtesy of mytheresa.com; Courtesy of runway2street.com; Courtesy of Michael Kors; Courtesy of farfetched.com; Courtesy of nordstrom.com; Courtesy of farfetched.com
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    Tom Ford embellished top, $2,990, mytheresa.com; Runa Jewelry Moon grey diamonds single earring, $3,227, runway2street.com; Michael Kors Kylie small French Calf top-handle bag, $1,290, michaelkors.com; Maison Margiela metallic floral jacquard trousers, $557, farfetch.com; Michael Kors metallic brocade shift dress, $2,995, nordstrom.com; Saint Laurent Babies sandals, $995, farfetch.com

  • Bella and Gigi Hadid
    Photo: Courtesy of Bella Hadid / @bellahadid
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    Bella and Gigi Hadid

  • model sisters
    Photo: (Clockwise from top left) Courtesy of Barneys; Courtesy of avenue32.com; Courtesy of nordstrom.com; Courtesy of net-a-porter.com; Courtesy of farfetched.com
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    The Row Heiden lamb fur coat, $21,000, barneys.com; THP Shop baby blue faux-fur coat, $255, avenue32.com; Topshop chain strap bandage body-con dress, $55, nordstrom.com;Gucci plissé lamé minidress, $1,490, net-a-porter.com; Aquazzura ankle-strap sandals, $750, farfetch.com

  • Simi and Haze Khadra
    Photo: Courtesy of Simi and Haze / @simihaze
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    Simi and Haze Khadra