05/17/2012 AT 05:55 AM EDT
The youngest daughters of the Kardashian clan – Kendall and Kylie Jenner
– attended the 9:30 p.m. performance of The Beatles LOVE by Cirque du Soleil
at The Mirage in Las Vegas Monday night, sipping on water throughout the show.
also made time for a pre-show dinner at Stack.
Both casually clad in jeans and flowing tops, the two shared calamari, rock shrimp and penne pasta before indulging in a dessert sampler, which featured jelly doughnut "munchkin" holes. – Mark Gray