Sweden's giggling princesses will make your heart melt

What is the Name of Sweden's Newborn Prince
What is the Name of Sweden's Newborn Prince

Prince George and Princess Charlotte may have themselves a little competition in the cuteness department ...

Meet Sweden's most adorable tykes -- 4-year-old Princess Estelle and her 2-year-old cousin Princess Leonore.

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Princess Madeline, Leonore's mom, posted pictures of the giggling kiddos on Facebook -- and their snaps are certainly enough to turn any frown upside down.

The pictures of the pair having a good time were taken during Estelle's brother Prince Oscar's christening.

Estelle donned a stylish white dress complete with a matching flower headpiece, while her cousin looked just as cute in a blue-and-white frock.

"My sister and I are blessed as mothers of these two sweet little girls who adore each other," Princess Madeline captioned the photographs.

And it's obvious good looks runs in the family!

Princess Sofia and Prince Carl Philip recently welcomed Prince Alexander into the world. The couple shared stunning portraits of their newborn -- and it's enough to make your heart melt.

See images of Prince Alexander: