"Happy 31st, @taylorswift13," Maren Morris sent out in a tweet, along with a glimmer of hope for 2021. "I am assuming you’ll be putting out 13 albums this next year?"
Kristin Chenoweth, meanwhile, took her at-home celebration of Swift very seriously, recording a snippet of herself covering one of her favorite Folklore songs, "Mad Woman," to share with the world.
Blake Lively posted a personal snapshot in celebration of her pal's birthday -- "There was happiness because of you," the actress wrote, quoting an Evermore track. "Happy happy birthday. Thank you for #Evermore. Absolutely nothing better than getting presents on other people’s birthdays. love you" -- and Ryan Reynolds also put up an Instagram Story in honor of Swift.
Todrick Hall left some kind words on Instagram for his friend on her special day, too: "Happy Lucky Number Backwards Birthday @taylorswift. Thank you for your love, kindness, honesty, loyalty, your cooking, your cat loving, your generosity, your wittiness, your talent and for taking your precious time to listen to me over share about my hot mess express saga of men. You deserve the world, streaming 'Evermore' AND 'Folklore' today to celebrate you. 2020 worked hard, but you worked harder. LOVE YOUUUUUU MWAH."
“Wish we could be together to celebrate. Love u so much," Gigi Hadid wrote in an Instagram Story, where she shared a photo of Swift.
And while it wasn't exactly a "happy birthday," Halsey commended Swift on Sunday for gifting her fans with so much new music this year.
"I just love @taylorswift13 for committing to bringing so much magic to a time in which she knows so many of her fans may be suffering," she wrote on Swift's birthday. "This is the least profitable era of music we’ve lived to see and she’s working very hard because it makes people happy. That’s really somethin'."
See some of these highlights, as well as more birthday messages for Swift, below.