J. Lo and her boyfriend Alex Rodriguez threw the post-holiday party for more than 100 people.
The makeup mogul also posted a video of the spread. "Taco Wednesday at JLo and Alex's house," she says in the clip.
Kim also showed off Jennifer's glittery jumpsuit. "Who else would organize a taco Wednesday in this dress...this girl!" Kim says.
What do you think about Kim and J. Lo's taco night? Let us know in the comments!