Gigi Hadid and Kendall Jenner seem to be the talk of the town every Fashion Week, and this new season's certainly not over yet.
The supermodel BFFs have been running from show to show looking amazing, but their latest catwalk appearance for Balmain has got everyone talking...
Because they swapped hair colours.
Kendall Jenner
Gigi Hadid
It's seriously weirding us out. Luckily, their new looks are down to some super realistic wigs rather than the work of a heavy-handed hairstylist.
And they're not the only ones to have a hair makeover. Perma-blonde models Rosie Huntington-Whiteley and Lily Donaldson were converted to the dark side.
Rosie Huntington-Whiteley
Lily Donaldson
While Victoria's Secret Angel Alessandra Ambrosio was transformed, like Jenner, into a beachy blonde.
Alessandra Ambrosio
Check out more looks from the runway in our gallery below: