Read Selena Gomez's Heartwarming Birthday Message for Taylor Swift: 'I'm Glad You Were Born'

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Selena Gomez and Taylor Swift attend The 58th Grammy Awards at Staples Center on Feb. 15, 2016 in Los Angeles.

Most celeb friendships fizzle overtime, but one that has always been pretty consistent is the friendship between Taylor Swift and Selena Gomez.

The two met at a Jonas Brothers concert way back when and have been close ever since. On Wednesday (Dec. 13), Gomez posted a happy birthday message for Swift that might (definitely) make you cry.

The caption reads: "I’m glad you were born. You write all the thoughts some aren’t able to articulate. (ME!) Thank you for giving a voice to this world that is authentic and inspiring. I wish some knew how big your heart actually is.. it’s fierce, bold and freaking wild with light. I’m glad you protect that. Love you @taylorswift."

Clearly, these two BFFs have been through a lot, but they remain great friends through it all. The two pop stars haven't been seen in public with each other recently, but it's nice to know they are still in each other's lives. Happy Birthday, Tay!