Jennifer Lopez gives fans a behind-the-scenes peek at her practicing for her NYE performance

Jennifer Lopez gives fans a peek at her practicing for performance at Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest

Jennifer Lopez is making sure her New Years Eve performance will be unforgettable.

The singer/actress, 51, announced some exciting news about her appearance on Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest while teasing a clip from her rehearsals. 

‘BIG ANNOUNCEMENT: I’m performing #InTheMorning for the very first time on @RockinEve!!!!!’ J. Lo shared.

Practice makes perfect! Jennifer Lopez shared a look at her rehearsals ahead of her headlining performance at Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest on Thursday

‘It all starts with rehearsals,’ the star went on.

Though she was dressed down in the clip, Jennifer still stunned as she flashed a hint of her taut tummy wearing a cropped grey hoodie and matching sweats.

She was in full glam, rocking smooth locks and playing up her cheekbones with dramatic contour.

While it was only a practice run, Lopez brought her A-game as she belted out the song and danced with her band while clutching onto a rhinestone-encrusted microphone.

Stylish: Though she was dressed down in the clip, Jennifer still stunned as she flashed a hint of her taut tummy wearing a cropped grey hoodie and matching sweats

Songstress: She commanded attention while working on her performance

Stylish: Though she was dressed down in the clip, Jennifer still stunned as she flashed a hint of her taut tummy wearing a cropped grey hoodie and matching sweats

Dazzle: While it was only a practice run, Lopez brought her A-game as she belted out the song and danced with her band while clutching onto a rhinestone-encrusted microphone

Dazzle: While it was only a practice run, Lopez brought her A-game as she belted out the song and danced with her band while clutching onto a rhinestone-encrusted microphone

It turns out she had a bit of support behind-the-scenes, as fiance Alex Rodriguez hung out and gave her a high-five after one high-energy performance.

On her Instagram story she shared another look at A.Rod, writing ‘Slugger on set’ on top of a snap of the retired MLB pro grabbing her glittering mic. 

After proving that her rendition of In The Morning will be awesome, the Hustlers actress asked fans ‘Which other songs should I add to the setlist?! Tell me below.’   

Lopez arrived in New York over the weekend to start perfecting her act before Thursday night’s big celebration.

Support system: It turns out she had a bit of support behind-the-scenes, as fiance Alex Rodriguez hung out and gave her a high-five after one high-energy performance

Support system: It turns out she had a bit of support behind-the-scenes, as fiance Alex Rodriguez hung out and gave her a high-five after one high-energy performance

Fan favorite! After proving that her rendition of In The Morning will be awesome, the Hustlers actress asked fans 'Which other songs should I add to the setlist?! Tell me below'

Fan favorite! After proving that her rendition of In The Morning will be awesome, the Hustlers actress asked fans ‘Which other songs should I add to the setlist?! Tell me below’

The Time Square event will also feature performances from Billy Porter, Cindy Lauper, Jimmie Allen, Machine Gun Kelly, Andra Day and Gloria Gaynor, among others. 

Brandy, Doja Cat, Ella Mai, Lewis Capaldi, Maluma, Megan Thee Stallion, Miley Cyrus, Nelly and Saweetie will perform from the West Coast broadcast.

Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest kicks off at 8pm EST on ABC.

Celebrate! Dick Clark's New Year's Rockin' Eve With Ryan Seacrest kicks off at 8pm EST on ABC

Celebrate! Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest kicks off at 8pm EST on ABC