“I’m so proud of the man you’ve become,” Crawford wrote.

But despite watching him grow up, she admitted there was one thing that had never changed.

“I’ll always see you as my little boy.”

The Gerber  family is now mourning an unimaginable loss after Presley, the eldest child of Crawford and businessman Rande Gerber, died on Sunday, September 20.

He was only 27.

A spokesperson for Crawford, Rande and their daughter, model Kaia Gerber, confirmed the heartbreaking news and said the family was asking “for privacy during this very difficult and painful time.”

According to records from the Los Angeles County Medical Examiner, Presley died at a rehabilitation facility.

An official cause of death had not been announced, with an autopsy still pending.

For those who watched the Gerber family over the years, Presley had seemingly grown up in one of the most glamorous households in America.