Taylor Swift Gets Ready for Her 25th Birthday By Hitting Up NYC's Jingle Ball

Taylor Swift shows off some skin in a cut-out dress at the 2014 Z100 Jingle Ball at Madison Square Garden on Friday evening (December 12) in New York City.

The 24-year-old pop singer is set to perform during the big bash to kick off her 25th birthday weekend.

PHOTOS: Check out the latest pics of Taylor Swift

In celebration of Taylor‘s birthday, her best friend Selena Gomez got her nails done with an S and a T in a heart on two separate fingers.

“I mean it’s my bff birthday weekend so…. @taylorswift #NYC @sweetbcreations for doin me up :),” Selena captioned the picture, inside.

FYI: Taylor is wearing a Reem Acra dress and Jimmy Choo shoes.

25+ pictures inside of Taylor Swift hitting up the red carpet in NYC…