The "Hustlers" actor took to Instagram on Friday (local time) to share a video of her performance from the event.
Referring to her February 2020 Super Bowl performance with Shakira, the singer added: "I think about the beginning of this year, being one of the biggest performances of my life with thousands of people".
'How y'all feeling?,' she asked after singing the song that was viewed live in-person only by cast, crew and some frontline workers invited to the New York City celebration held amid the ongoing coronavirus pandemic.
According to People, J. Lo is hosting a Rockin' Eve after-party called Wash Away 2020, during which she'll celebrate the launch of her new J. Lo Beauty line.
Police put out new video of woman confronting Black teen
The outlet did not identify the woman aside from her age as "she said she has concerns for her safety unrelated to this incident". Posting the video to Instagram , Mr Harrold recalls that the woman: 'scratched me; she tackled and grabbed him'.
Jennifer shares 12-year-old twins Emme and Max with her ex-husband Marc Anthony, while Alex is a father to daughters Natasha, 16, and Ella, 12.
Prior to her performance, Lopez acknowledged the hellish year we've all experienced. We lost too many. Too many to take one moment for granted, ' Jennifer said emotionally. And we're gonna keep on dreaming, ' she added with an upbeat attitude.
The former Yankee played the role of supportive fiancé perfectly, standing next to the stage cheering on Lopez as she performed a medley of hits including "Waiting for Tonight" and covered Aerosmith's "Dream On".
J-Lo showed her inner rocker as pyrotechnics exploded behind her and she tossed her microphone stand to the ground.
Later, the singer went on to express her hope for 2021.