A sleepy Kendall Jenner shared two snapshots of herself sporting blonde locks Thursday night.

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The 19-year-old fashion model posted two similar selfies on Instagram back-to-back, writing "Ken-doll" as the caption on the first and bidding her followers goodnight with the second.

It isn't clear whether or not the normally brunette Jenner's new do is just a blonde wig.

Her sister, Kylie Jenner, recently shared photos of herself wearing a similar shade wig for her 18th birthday photo shoot.

The locks could also come from her younger sister's Bellami line.

The recent Vogue model spent some time with her siblings, including Kim Kardashian, Khloe Kardashian and Kourtney Kardashian, in St. Barts this week for a Caribbean vacation.

They reportedly arrived on the island Monday to film new segments for "Keeping Up With the Kardashians."