Being a fashion icon is all about having a signature style, and at the tender age of (almost) 18, it seems Kylie Jenner already has her signature locked down.

WATCH: Kylie Jenner Posts Her Raciest Bikini Pictures Yet

The reality star has been flaunting her bikini bod all summer, and for the most part, it’s been all black everything.

From this "swim session" with big sis Kourtney Kardashian...

...to this shot of her lounging by the pool.

EXCLUSIVE: Kylie Jenner on Her Racy Social Media Posts: 'I Don't Really Regret Anything'

Even fan art of Kylie is rocking the black bikini!

Kylie's also going to be celebrating her upcoming 18th birthday in a black bikini, according to this promotional Insta about her upcoming soiree at Beachclub in Montreal.

From blue hair to black bikinis, Kylie’s setting trends all over the place! What should she try next? Tweet us with the hashtag #etnow with your suggestions!

WATCH: Kylie Jenner is Going To Spend Her 18th Birthday in Canada