For every Lupita Nyong'o, there's a Mayim Bialik.

Plainly put, not everyone can be a red carpet fashionista -- and at Saturday night's Screen Actors Guild Awards, we saw a couple dress disasters.

The aforementioned "Big Bang Theory" star looked like she belonged in a saloon with her purple and lace gown. Without the lace detail, this could have been a winning look for Mayim.

Other disappointments included Mariah Carey, who wore a black cocktail dress that was nowhere near appropriate for the A-list event and Julia Roberts, whose billowy pink pantsuit looked bizarre once she started walking. 

Check out the gallery above to see who else we weren't loving -- and tell us whose outfits you hated in the comments below!


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