'Oh my god, I want to scream': Melbourne woman thought $2.8 million Lotto win 'was a hoax'

A Melbourne woman has been given the shock of a lifetime after becoming almost $3 million richer overnight.

The woman, from Knoxfield, initially thought the win "was a hoax" after discovering she was the lucky recipient of a $2.8 million TattsLotto win.

She was getting ready for work this morning when she got the "mind-blowing call".

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"Oh my god! Oh my god! I want to scream; I want to shout!" she said.

"I can't grasp this news. I'm speechless.

"I thought it was a hoax... I thought to myself: 'Who is playing mind games with me on a Monday morning'."

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After falling "on tough times" recently, the woman says the money will totally transform her life and her family's.

"My heart is going a thousand miles an hour – I'm getting goosebumps," she said.

"It's such a beautiful feeling."

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There were seven division one winning entries across Australia in TattsLotto draw 4271 on Saturday June 25. Each entry scored a division one prize of $2,857,142.86.

The winner said she has a couple of ideas in mind about how she will spend the money – paying off the house mortgage, visiting family overseas, and upgrading the car.

Her winning 12-game Quickpick was purchased online at thelott.com.