Taylor Swift Celebrates Cara Delevingne's 23rd Birthday With Cleavage Pics

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Taylor showed the world the kinds of photos Cara snaps when she steals someone else's cell phone.

Cara Delevingne turned 23 on Wednesday. To commemorate the Paper Town star's b-day, her bestie Taylor Swift took to Instagram where she posted a sweet birthday message.

"Happy birthday to cheeky, charming @Caradelevingne- who lights up my life..and regularly steals my phone & does this," the 25-year-old singer wrote.

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The accompanying post is a screengrab from Taylor's phone, showing a string of cleavage photos Cara snapped when she stumbled upon Taylor's phone when it was unattended.

And this is why Cara is one of the most adorable young stars ever.

But it wasn’t just Taylor who posted sweet a b-day message for the Suicide Squad actress -- her superstar friends Miley Cyrus, Gigi Hadid and Hailee Steinfeld also shared warm wishes online.

WATCH: Cara Delevingne Shows Off Pink Hair at Girlfriend's Concert in Montreal

Miley shared a pic of the two friends licking each other's tongues with the caption, "Happpppy Biiiiiirffffffday Mushy!!!!!"

Gigi, meanwhile, shared a few adorable flashback Polaroids, which she captioned, "Found these today & ITS MY C BABY's BIRTHDAY!!!!!!!!! I love you!"

As for Hailee, it turns out she and Cara have a deep bond. The Pitch Perfect 2 star tweeted at Cara, "HAPPY BIRTHDAY to my spirit animal."

Happy birthday Cara! Hope your birthday is filled with as many gift-wrapped Ferraris as Kylie Jenner's!

WATCH: Kendall Jenner and Cara Delevingne Are Topless and Licking Each Other