Kristoff St. John and Kseniya Mikhaleva

Kristoff St. John’s Fiancée Mourns His Death: ‘Why Did You Leave So Early?’

The fiancée of “Young and The Restless” star Kristoff St. John is understandably devastated over his sudden passing at the age of 52.

Model Kseniya Mikhaleva took to her Instagram on Monday morning after the news broke, writing, “How did it happen ??? How ??? Why did you leave so early ???? and left me alone ….. I can’t believe 💔💔💔💔.”

She continued, “[Y]ou were everything to me …. you were a loving father, a loving man,…..how 😢😢😢😭😭😭😭💔💔💔💔 love??we should doing a lot of things in future……”

Kristoff St. John and Kseniya Mikhaleva
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Mikhaleva told Radar Online that she is in Russia and last spoke to St. John on Saturday. She said she believed the couple’s long-distance relationship — she is working on her degree in Moscow — contributed to his sadness.

Kristoff St. John announced his engagement to Mikhaleva last September. He posted a photo of the engagement ring he bought her, alongside the caption, “She said yes.”

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💍💑 She said yes @ksumik

A post shared by Kristoff St. John (@kristoffstjohn) on

St. John’s first wife, boxer Mia St. John, posted (and later deleted) a tweet after his death, blaming the hospital in Long Beach where their 24-year-old son, Julian, committed suicide in 2014.

“That hospital killed our son then my husband thats what happened!” Mia tweeted early Monday morning, heartbreakingly adding, “They killed my family.”

An autopsy for St. John has been scheduled but not yet completed.

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