"Girlfriend" is a pop and hip hop song by American boy band NSYNC.

"Girlfriend" additionally reached number one in Canada and charted within the top 10 in six other countries, including Australia, Germany, and the United Kingdom.

[3] The song contained a hip hop influence and was sent to top 40 and hot AC radio in January 2002 before being released commercially on March 12, 2002, as an enhanced CD.

[4][5] In 2015, Billboard's Jason Lipshutz ranked it tenth on the list "Top 20 Essential Boy Band Songs," writing, "straddling the lines of pop, R&B and hip-hop, the song could have been the precursor to the boy band's stylistic shift, but instead proved to be the starting point for Justin Timberlake's solo career.

[7] The music video featured the band dancing on cars, singing to girls and a drag race, which was won by Justin Timberlake.