Prince Oscar of Sweden looks just like big sister Estelle in first birthday portrait

By Emmy Griffiths

Happy Birthday Prince Oscar of Sweden! In celebration of his milestone, the Swedish Royal Family released an adorable portrait of the tiny royal on Instagram. "Happy birthday Prince Oscar, who turns 1 today!" reads the caption, alongside a black-and-white photo of Oscar taken by his mother Crown Princess Victoria.

In the portrait, Prince Oscar is the image of his big sister, Princess Estelle, and fans were quick to wish the little boy a happy birthday. One wrote: "Happy birthday Oscar. The first birthday is a very special one." Another added: "Congratulations to cutie Prince Oscar." Little Princess Estelle also celebrated her birthday recently, and turned five on Feb. 23. The royal family marked the occasion by sharing a photo of her lying on the top of a sofa while smiling widely, looking simply adorable in a grey dress with a bow in her hair.

READ: Princess Madeleine would love a royal playdate with Prince George and Princess Charlotte

February was a busy month for royal birthdays. The siblings' cousin Princess Leonore turned three, and her mother Princess Madeleine shared snaps of the little girl holding balloons to celebrate. She captioned the photo: "Happy Birthday Sweet Leonore! You make us smile every day." Princess Madeleine recently revealed that she was planning to write a children's book, and spoke about little Leonore's love of reading. "Previously Leonore had not really had the patience, but now we read more and more books, which is great fun," she said. "It is a cosy moment you have together. There will of course be Pippi in the beginning, but it has been mostly picture books until now."

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