Commercially , the song reached number 24 on the United States ' '' Billboard '' Hot 100 . The song also reached the top 40 in Australia , New Zealand , the United Kingdom , Canada and Ireland . To promote the song , the group performed on the season 22 finale of '' Dancing with the Stars '' . The song 's accompanying music video , set on a tropical beach , was directed by Director X and premiered on the Vevo platform on June 23 , 2016 . " All in My Head ( Flex ) " won the category Song of Summer at the 2016 MTV Video Music Awards
2016 MTV Video Music Awards
2016 MTV Video Music Awards
All in My Head (Flex)