Second Fifth Harmony music video directed by Director X, the first being Work From Home (ft. Ty Dolla $ign) (2016).
One of four Fifth Harmony music videos that has hit 200 Million views on YouTube, the first being Worth It (ft. Kid Ink) (2015), the second being Work From Home (ft. Ty Dolla $ign) (2016), and the fourth being Bo$$ (2014).
"All in My Head (Flex)" is a song recorded by American group Fifth Harmony, featuring vocals by rapper Fetty Wap, for their second studio album, 7/27 (2016), which was released on May 27, 2016.
It was produced by Stargate and Brian "Peoples" Garcia with additional production by Sir Nolan.
Musically, "All in My Head (Flex)" is a reggae-influenced, pop song backed by synths, percussion, and guitar, containing an interpolation of the 1995 song "Flex" by Mad Cobra.