Jessica’s Biggest Mistakes That Could Jeopardize Her Win In ‘Big Brother’

“Big Brother” Season 19 host Julie Chen has been uttering the mantra, “Expect the unexpected,” over and over again, but houseguest Jessica Graf veered away from this and did everything that was expected of her. After being named last week’s Head of Household (HOH), Jessica had all of the power in the house. But she was…