Nobody's happier about Sabrina Carpenter's global success than one Taylor Swift.
Sabrina took to Instagram to announce her latest accomplishments, writing, "and just like that you guys sold out the entire short n' sweet tour, espresso went #1 at pop radio ... thank you all so so much!!! i can't wait to see you on the road."
Appearing on NBC's Today on the Fourth of July, Jack Antonoff -- who co-wrote and produced Sabrina's "Please, Please, Please" and much of Taylor's The Tortured Poets Department -- called the success he's had with both women "wild."
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