Gabby Petito sleuths think she was sad as they spot hidden meaning in Instagram pic posted after she shared knife emoji

GABBY Petito sleuths believe she was "sad" as they spot hidden meaning in an Instagram pic posted after she shared knife emoji.

Sleuths continue to snoop around 's Instagram feed, searching for clues surrounding her death and a glimpse at her relationship with .

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On July 31, 2020, The vlogger, 22, posted two pictures of herself on that appeared to show her outdoors wearing a gray top and white pants.

Gabby captioned one post: "I'm blue da ba dee da ba daa 🦋 #imblue."

In the second post, she captioned it: "Blue his house with a blue little window And a blue Corvette And everything is blue for him 🧊✈️🤍🔹🦕. #blue."

Sleuths believe the 22-year-old was sending hidden messages about her mood, as one commented: "Is she trying to say she’s sad??"

Another person chimed in, saying: "Blue as in sad???"

Despite their concerns, Gabby's caption simply referred to the Eiffel 65 song Blue (Da Ba Dee).

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'WEIRD IRONY'

Eagle eye spies also highlighted Gabby's June 23, 2020 post, where she shared a picture of Laundrie and herself at Sope Creek Stream in .

What sleuths questioned in the June 2020 post was the book Gabby was reading, Chuck Palahniuk's Fight Club, which follows the experiences of an unnamed protagonist struggling with insomnia.

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One person commented: "Interesting book to read…."

Another person added: "If you look at him and the cover of the book theirs some weird Irony going on here."

The continued speculation by online investigators comes after sleuths claimed .

In January, the 22-year-old shared with her IG followers that she had been listening to the "morbid podcast all morning."

She then shared a knife emoji and said she was "obsessed" with the show, as well as a picture with her now missing fiance 

Armchair detectives speculated that the post was a message to her followers.

One wrote: "Ominous af."

Another said: "Woah… do you think she’s been trying to say something since this post?!"

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'I MISS YOU SO MUCH'

In the same post, Gabby said she had been "thinking about how much I miss" Charleston and her godmother Flora Rocco.

She then hashtagged the words morbid, spooky, and Monday motivation.

Flora has shared her own tributes to the YouTuber, whose on September 19.

She wrote on September 22: "If only I could put my arm around you one more time...I miss you so much."

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Flora added: "Justice for Gabby.

Gabby's fiance Laundrie remains missing, as the hunt for him has intensified since he was reported missing on September 17.