I swore the thing was gray or gray/plaid. Wife said the same. Not proud of it, especially considering the url title, but I found a blog from 2015. The OG outfit is on display and the skirt is gray.

For science!:

https://www.iamnotastalker.com/2015/03/17/the-baby-one-more-time-costume/

ETA: I went back to some of the “NOW that’s what I call music” CD commercials. Found the commercial featuring the music vid and the skirt is black. Trippy.

https://youtu.be/iCoW-Z_aSeY

I swore the thing was gray or gray/plaid. Wife said the same. Not proud of it, especially considering the url title, but I found a blog from 2015. The OG outfit is on display and the skirt is gray.

For science!:

https://www.iamnotastalker.com/2015/03/17/the-baby-one-more-time-costume/