Popsugar Celebrity Taylor Swift Taylor Swift at Jingle Ball 2019 in NYC Pictures Taylor Swift Rang in Her 30th Birthday by Rocking Out at Jingle Ball 14 December 2019 by Kelsie Gibson Image Source: Getty / Dia Dipasupil Taylor Swift was the life of the party at iHeartRadio's Z100 Jingle Ball in NYC on Friday. The singer got the crowd at Madison Square Garden on their feet as she performed some of her biggest hits, including "Blank Space," "You Need to Calm Down," and "Shake It Off." Not only did Swift open the show, which included musical guests like the Jonas Brothers, Lizzo, and 5 Seconds of Summer, but she was also celebrating her 30th birthday. During the show, the singer made reference to the momentous occasion before playing her hit single "Lover." "I had a choice," she told the crowd. "Where would I want to spend my 30th birthday? The answer is: you're looking at it. This is the first show of my 30th year of life." At the end of her set, she was even surprised with a big cake that featured her three cats before getting serenaded by the crowd. See more pictures from her memorable appearance at Jingle Ball ahead. Related: 13 Moments From Taylor Swift's Career That Prove She's Truly the Artist of the Decade Image Source: Getty / Dia Dipasupil 1 / 25 Image Source: Getty / Dia Dipasupil 2 / 25 Image Source: Getty / Manny Carabel 3 / 25 Image Source: Getty / Theo Wargo 4 / 25 Image Source: Getty / Dia Dipasupil 5 / 25 Image Source: Getty / Dia Dipasupil 6 / 25 Image Source: Getty / Kevin Mazur 7 / 25 Image Source: Getty / Dia Dipasupil 8 / 25 Image Source: Getty / Manny Carabel 9 / 25 Image Source: Getty / Dia Dipasupil 10 / 25 Image Source: Getty / Kevin Mazur 11 / 25 Image Source: Getty / Kevin Mazur 12 / 25 Image Source: Getty / Jamie McCarthy 13 / 25 Image Source: Getty / Jamie McCarthy 14 / 25 Image Source: Getty / Dia Dipasupil 15 / 25 Image Source: Getty / Dia Dipasupil 16 / 25 Image Source: Getty / Manny Carabel 17 / 25 Image Source: Getty / Jamie McCarthy 18 / 25 Image Source: Getty / Manny Carabel 19 / 25 Image Source: Getty / Dia Dipasupil 20 / 25 Image Source: Getty / Dia Dipasupil 21 / 25 Image Source: Getty / Dia Dipasupil 22 / 25 Image Source: Getty / Theo Wargo 23 / 25 Image Source: Getty / Dia Dipasupil 24 / 25 Image Source: Getty / Dia Dipasupil 25 / 25 Taylor Swift