NSYNC was an American vocal group and pop boy band that became a defining force in the music industry during the late 1990s and early 2000s. Formed in 1995 in Orlando, Florida, by Chris Kirkpatrick, the group consisted of members JC Chasez, Joey Fatone, Justin Timberlake, and Lance Bass. They gained initial success in Europe with their self-titled debut album, which was released in 1997 and featured the breakout single "I Want You Back." The group's infectious sound and polished choreography quickly captured the attention of pop music fans worldwide.

NSYNC's rise to fame was marked by several significant milestones, particularly their third studio album, No Strings Attached, released in 2000. This album made history by selling over one million copies in one day and reaching 2.4 million copies in its first week in the United States, a record that stood for over fifteen years. The album included iconic tracks such as "Bye Bye Bye" and "It's Gonna Be Me," both of which topped the charts and solidified NSYNC's status as one of the best-selling boy bands of all time. Their follow-up album, Celebrity, released in 2001, debuted with 1.8 million copies in its first week, further showcasing their immense popularity.

Despite their commercial success, NSYNC faced challenges, including highly publicized legal disputes with their former manager Lou Pearlman and their former record label. The group went on an indefinite hiatus in 2002, leading to various solo pursuits among its members. During this period, they reunited occasionally for special performances, such as their appearance at the 2013 MTV Video Music Awards and a guest spot on The Ellen DeGeneres Show in 2018. They also received a star on the Hollywood Walk of Fame that same year, celebrating their contributions to the music industry.

In 2019, NSYNC made headlines again when they performed as a four-piece, excluding Timberlake, alongside Ariana Grande at Coachella, showcasing their enduring appeal. In 2023, the group briefly reunited to release "Better Place," a song for the animated film Trolls Band Together, which features Timberlake as a voice actor. They also performed at the premiere of the film and at the 2023 MTV Video Music Awards, signaling a resurgence of interest in their music.

Over the years, NSYNC completed five nationwide concert tours and sold over 70 million records, earning them a place among the best-selling boy bands in history. They received nine Grammy Award nominations and performed at prestigious events, including the Super Bowl and the Olympic Games. The group's collaborations with legendary artists, such as Elton John, Stevie Wonder, Michael Jackson, Janet Jackson, Britney Spears, and Celine Dion, further cemented their legacy in the music world. As they continue to make occasional appearances and release new music, NSYNC remains a beloved icon of pop culture, celebrated for their contributions to the genre and their lasting impact on fans around the globe.