The model, 32, continued to vent her relationship problems on the social network, posting further cryptic messages last night.
READ: NICOLA MCLEAN REVEALS MARRIAGE HEARTBREAK: "THE BOYS ARE SO SAD"
Seemingly suggesting that another woman may be at fault for Tom's refusal to come home, Nicola wrote: "Someone's going to be a happy girl #slag #nomorals #karma"
Former footballer Tom now works as a concierge for a hotel in Las Vegas and earlier this month Nicola slammed him for 'abandoning' his family.
Days later, footage was leaked of Tom apparently flirting with an unnamed woman in a nightclub.
Last night Nicola, who has two sons with Tom, wrote of one of them: "Terrible nights sleep! (sic) Striker had nightmares all night bless him."
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The mother-of-two continued to share her thoughts on Instagram, posting an inspirational quote which read:
"Sometimes life will f*** you and you'll just have to change position and enjoy it somehow."
Last week a source revealed to Closer Magazine that Nicola was feeling suicidal over Tom choosing to spend more and more time in Las Vegas.
READ: NICOLA MCLEAN HINTS AT FURTHER MARRIAGE TROUBLES WITH TOM WILLIAMS: "YOU'D THINK THIS WOULD BE ENOUGH TO COME HOME TO"
The source said: "When Tom came home things were incredibly tense. He spent most of his time with the boys.
"Then five days later, he told Nicola he was going back to Vegas. She's feeling suicidal ever since he left – she has old medication in her house to cope with her bulimia and has told pals she's thought about taking all the pills in one go."