Fifth Harmony's Showing Off Their Summer Bodies in "All in My Head (Flex)" Music Video

The ladies of Fifth Harmony are ready for the summer. 

Ally Brooke Hernandez, Normani Kordei, Dinah Jane Hansen, Camila Cabello and Lauren Jauregui showed off their smoking hot bods for their "All in my Head (Flex)" music video. 

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Check out the chicas get down and dirty in the music video above.