Popsugar Celebrity Celebrity Facts Who Has Megan Fox Dated? Before Getting Engaged to Machine Gun Kelly, Megan Fox Dated These Stars 14 January 2022 by Monica Sisavat Solís First Published: 21 May 2020 View On One Page Photo 1 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 David Gallagher Megan dated the former 7th Heaven star from 2003 to 2004. Previous Next Start Slideshow Celebrity FactsCelebrity CouplesCelebrity BreakupsMegan Fox