iStock; Getty Images; Tyler Le/BI
: Weiss Eubanks/NBCUNIVERSAL via Getty Images
DOMINIC GWINN/Middle East Images/AFP via Getty Images
Samuel Boivin/NurPhoto via Getty Images
Sven Hoppe/picture alliance via Getty Images
Ying Tang/NurPhoto via Getty Images

If the internet has taught us anything, it's that every few months, a new front opens in the quiet cultural skirmish between millennials and Gen Z. First, it was side parts versus middle parts. Then skinny jeans versus baggy denim.
Elizabeth Frantz/Reuters