Romy and Michele.Hailey BieberandKendall Jenner.

All they needed to bring it to life was a set ofblonde wigs!

(We were all about the flat iron back in theSimple Lifedays.)

Hailey Bieber and Kendall Jenner pose at an event in a black gown and red gown.

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Richie shared their video to her Instagram Stories with a simple I am obsessed.

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More celebrity Halloween looks:

Now, watch Kendall try 9 new things: