Jack Antonoff showed off why he's such a hit with girlfriend, Lena Dunham, by FaceTiming her and eating during the MTV VMA's.<br /><br />Lena tweeted, "my boyfriend just casually eating a banana at the VMAs is a good reminder why we've been at it half a decade, he's a true weirdo."<br /><br />Lena tweeted that with true adoration as her boyfriend snacked on both a sandwich and a banana. According to the New York Post's Page Six, he likely got the food from the backstage green room.<br /><br />Jack likely worked up an appetite after performing with his band, Bleachers, at the pre-show.<br />
