Kim Kardashian and Emma Roberts Party at Ariana Grande's Concert

Kim Kardashian and Emma Roberts reunited at Ariana Grande's Eternal Sunshine Tour concert on Saturday night. Kim shared a video on Instagram showing herself, her former 'American Horror Story' co-star, and friend Stephanie Shepherd enjoying the show at the Crypto.com Arena.

The trio sang along to Ariana's hits, including 'We Can't Be Friends,' whose music video features Emma's ex-boyfriend Evan Peters. Fans also wondered if Kim joined in for 'Thank You, Next,' where Ariana mentions their mutual ex, Pete Davidson.

Social media exploded with clips of the star-studded night, with one video going viral. Kim looked relaxed and happy, having a blast with her friends.

What do you think, readers? Share your thoughts in the comments!