Jenner frequently switches up her look and it is unconfirmed if her new hue is permanent or a wig.
One of her go-to wig companies, Tokyo Stylez, however, posted the same photo on their account.
"It makes me feel like a new person," the star recently explained in a blog post on her website.
"I love feeling different and I love leaving the house knowing that nobody has ever seen me this way."
"It's hard for me to go back to different styles I've worn before; I don't always like my normal short, black hair," she admitted. "That look makes me feel like I'm going back in time. It's like I'm going back to that moment a year ago and I just don't want to be in that space."
Jenner celebrated her birthday with her friends and family at The Nice Guy restaurant in Los Angeles last week.
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The teenager wore a sheer, lace jumpsuit to the party and was seen dancing and snapping photos until 2 a.m.
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