With a full week of festivities, celebrities across the board upped their Halloween costume game in 2019.

Halloween all-star Heidi Klum opted for a bionic alien costume for her 20th annual Halloween party, stating the look was inspired by husband Tom Kaulitz’s band, Tokio Hotel. Klum gave fans a preview of her transformation, camping out at the 34th Street Amazon Books store’s window front and posting pictures on Instagram to show the elaborate makeup and prosthetics applications.

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Other celebrities have opted for multiple Halloween costumes this year, including Kylie Jenner, who has posted multiple photos featuring costumes like Disney’s Ariel, a Playboy bunny and Marilyn Monroe.

Jenner’s daughter, Stormi Webster, also got in on the Halloween fun, dressing up in a lilac wig and feathered dress resembling the one Jenner wore to this year’s Met Gala.

Kim Kardashian also threw social media into a frenzy with her Halloween costume: Elle Woods from “Legally Blonde.” She took the costume a step further, posting an elaborate video that replicated scenes from the film.

Scroll on to see more of the best celebrity Instagram posts from Halloween 2019.

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