It always frustrates the heck out of me when artists (in any medium) claim to function in a creative vacuum. Like musicians who say they don't listen to any music from other artists. What a pity! To not experience the great body of art that is out there seems like a shame as well as an outright lie. No one will think less of your music if you listen to Mozart and are inspired by Etta James.
I am constantly inspired by other artists, from all genres. One of my favorite sources of inspiration is fashion history. Sometimes I will pull an embellishment idea from a Regency gown, a neckline from an Ottoman coat, or a colorway from a flapper's fringed skirt.
Here is an example of an inspiration that is much more direct than many of my designs.
This wool and silk tuxedo vest for the shop was inspired by a lovely Norman Norell suit from the 1960s. Here they are together: