John Stamos' fiancée Caitlin McHugh has been robbed on their wedding weekend.

John Stamos and Caitlin McHugh

John Stamos and Caitlin McHugh

The 'Full House' actor and his pregnant partner are due to tie the knot this weekend but Caitlin has been left devastated after $165,000 worth of jewels, on loan from the Neil Lane collection, were stolen from her bungalow at the Beverly Hills Hotel on Friday (02.02.18).

TMZ reports that Caitlin returned to her room to discover that burglars had broken in and taken the expensive jewels.

Police are investigating and have told the website there was no sign of forced entry.

John, 54, immediately rushed over to the hotel to comfort his fiancée.

The actor proposed to Caitlin in October and announced the happy news on social media.

He posted an illustrated picture of a couple embracing at Disneyland on his Twitter account and he captioned the image: "I asked...she said yes! ...And we lived happily ever after [ring emoji] (sic)"

And the excited dad-to-be previously revealed he has "always" wanted to be a father but was worried he had left it too late.

He said: "I always wanted to be a dad. Clearly, I had to do some work on myself first. I have a youthful thing. People say, 'Oh, you look young.' You start believing you're gonna live to be 150. And then you wake up and go, 'No, man, this is it. This is not a rehearsal.' ... People would say, 'You should have a child.' I was like, 'That ship has sailed.'"

The star tragically lost his father in 2001 and his mother in 2014, and although they are no longer around, John knows they'll be with him in spirit to see him enter parenthood himself.

He admitted: "It kills me that my parents aren't here to be part of this, but I know it probably wouldn't be happening if they weren't up there. You know how you put your father on a pedestal, and he's a superhero, and then as you grow older, you go, 'Ah, he's just a man'? I never got to that point. Till the day he died, he was bigger than life to me."

John previously married actress Rebecca Romijn in 1998, but they announced their separation in April 2004 and their divorce became final in March 2005.

The pair met at a Victoria's Secret fashion show in 1994 where she was modelling, and he popped the question on Christmas Eve in 1997.

Rebecca is now married to actor Jerry O'Connell.

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