"Main Chick" was originally included on Chris Brown's X Files mixtape, and after the positive response, it was included on My Own Lane. It debuted at number 69 on the UK Singles Chart upon the album's release and has since peaked at number 60 on the US Billboard Hot 100 chart.
"Main Chick" was produced by DJ Mustard and was recorded by Chris Brown and Kid Ink, during the same session as their hit single "Show Me". The song was originally not going to be featured on the album, so it was included on Chris Brown's mixtape X-Files as a bonus track. It ended up receiving an extremely positive response from fans, making him reconsider the decision to include it on the album. Following the release of the track list for My Own Lane, it was confirmed that the song would be featured on Ink's second studio album after all. However, Kid Ink made slight adjustments to the album version of the song. The Alumni Music Group, 88 Classic and RCA Records serviced "Main Chick" to rhythmic contemporary radio in the United States on March 11, 2014, and to urban contemporary radio in the US on March 25, 2014.
"Main Chick" was met with generally positive reviews from music critics. Edwin Ortiz of HipHopDX said, the song displays "early and often Ink's penchant for tailoring melodies for the masses." Sheldon Pearce of XXL called it a certified hit in any time zone. Grant Jones of RapReviews praised the song's production and called it one of the album's best songs. David Jeffries of AllMusic called it a light, airy and attractive track. Brent Faulkner of Starpulse said, the song was good, but not elite.
Rapper Tyga, a frequent collaborator of Kid Ink, released a remix to the song on January 30, 2014. On February 10, 2014, comedian Kevin Hart requested LL Cool J's "I Need Love" on DJ Whoo Kid's radio show. Whoo Kidd then dared LL Cool J to send him a verse ASAP if he could. Thirty to forty minutes later, LL Cool J sent him the verse over Kid Ink's "Main Chick".