Taylor Swift turns 27 today (December 13) and -- as has become customary in both the celeb and non-celeb worlds -- her squad has come out in full force to offer public birthday wishes to the "Out of the Woods" singer all across social media.

Taylor's famous BFF Karlie Kloss posted an image of the two to Instagram, along with a sentimental caption that reads, "Happiest of Birthdays to my ride or die @taylorswift...I feel blessed to count you as my friend, sister and partner in crime. Can't wait to celebrate together very soon.”

Gigi Hadid also posted a photo to Instagram of herself with Taylor, writing, "So inspired everyday by what an incredible friend you are !!!!!!!! Love you & celebrating with u in spirit xx."

Taylor's younger brother Austin also posted a throwback photo of the two then-eyebrow-less siblings to Instagram, along with an emotional caption that nearly ages Taylor to 30, reading, "Can't believe you've been riding ponies, making music, playing with cats, and telling stories for almost three decades now. You've always been there for your family and friends no matter what and you're always finding unique and beautiful ways to show us how much you care. Happy 27th birthday to @taylorswift, the best sister anyone could wish for."

Other celebrities who joined in wishing Taylor a happy 27th year on this planet include model Martha Hunt, Ruby Rose, Todrick Hall, Jaime King, Kevin Costner (??) and Katie Couric. Check those out below.

Taylor Swift's Best Live Vocals