The Kardashians are known for their over-the-top holiday festivities, so it should hardly come as a surprise that Kim’s latest Christmas stunt was just as elaborate. The Skims founder took to her Instagram yesterday to show off her latest set-up, which included filling her oversized bathtub with hot chocolate. “I walked into my bathroom and what did I see here? The elves left a mess and made Charlie and the Chocolate Factory over here,” she narrated in the video. “The note in the kitchen said they couldn’t find the mugs, so the hot chocolate was in the bathtub.” Kardashian also…