National Sibling Day: Eva Mendes, Hilary Duff, and More Stars Share Cute Throwback Photos

Eva Mendes
Eva Mendes, Hilary Duff, and more stars are celebrating National Sibling Day on Friday, April 10 Courtesy of Eva Mendes/Instagram

Sappy stars! Celebrities, just like Us, are digging through old photo albums on Friday, April 10, in honor of National Sibling Day. Some snapshots included throwbacks to family wedding while others spotlighted some really, really outdated fashion choices!

PHOTOS: Celebrity siblings

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@haylieduff I love you more than words???? #nationalsiblingday

A video posted by Hilary Duff (@hilaryduff) on Apr 10, 2015 at 11:08am PDT

Eva Mendes celebrated the day by posting what appeared to be a school graduation photo. Coordinating with sister Janet and and another loved one, the actress, 41, wore a sleeveless white dress and a pearl necklace. "Big sisters rule. #NationalSiblingDay," Ryan Gosling's love captioned via Instagram.

PHOTOS: Famous families

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Hilary Duff, meanwhile, took it to the next level. The 27-year-old Younger actress shared several photos of big sister Haylie Duff with the Flipagram app. "I love you more than words," she gushed.

Getting in on the fun, Ryan Phillippe and Mandy Moore both posted photos from weddings. "Me n my lovely sisses. thx mom n dad for putting us all together," the Secrets and Lies actor, 40, captioned the Instagram photo. As for Moore? She shared a photo of her siblings goofing off on a plane — that she was Photoshopped in!

PHOTOS: Celebs' throwback photos

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Other stars that gave a shout-out to relatives included Scandal's Scott Foley, Rumer Willis, Cindy Crawford, and Manzo'd with Children's Lauren Manzo. Jamie-Lynn Sigler also wrote a sweet message to her late brother Adam, who tragically died of a brain hemorrhage in November 2014.

#nationalsiblingday

A photo posted by Scott Foley (@scottkfoley) on Apr 10, 2015 at 12:00pm PDT

Happy National Siblings Day to these two baes @buuski #freeslw and our two little munchkins #mabel&evelyn

A photo posted by Rumer Willis (@ruelarue) on Apr 10, 2015 at 11:54am PDT

Happy #nationalsiblingday ! Jeff, Danielle and Chris

A photo posted by Cindy Crawford (@cindycrawford) on Apr 10, 2015 at 7:00am PDT

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