(CNN) Kim Kardashian West may have been the designated driver for her sisters as a teen, but that doesn't mean she didn't party.

On Sunday night's episode of "Keeping Up with the Kardashians," during a conversation with younger sister Kendall Jenner and Scott Disick, she revealed that she has used ecstasy.

The revelation came after Disick mentioned a story about the reality star going "to Disney and you were all high or something — or Six Flags."

"I didn't know you got high," Jenner said.

"I got married on ecstasy the first time," Kardashian West said. "I did ecstasy once and I got married."

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