1000-Lb Best Friends star Vannessa Cross couldn’t help but celebrate a huge milestone in her weight loss journey.

The 44-year-old has been open about her efforts to slim down while fronting the TLC series with her pals, Ashley Sutton, Tina Arnold and Meghan Crumpler.

After tackling a mechanical bull in style in last week’s episode, she sat down for an important meeting with her surgeon, Dr Charles Procter, to discuss her progress.

In a clip from the upcoming instalment, obtained by People Magazine, she tells him: ‘Honey, my world has changed completely. I put a seat belt on. First time. In the front, put the seat belt on and clicked it.

‘All my life I’ve had to put it behind me, click it, and just pull it around.’

Cheering her latest win, she continued: ‘I have had so many different breakthroughs. I feel like I’ve been locked up for 20 years, been in prison for 20 years and now I’m free.

Vannessa Cross is fronting 1000Lb Sisters on TLC (Picture: TLC)

‘I get to see things in the world I didn’t get to see.’

Dr Procter then asks Vannessa to step on the scales, after previously instructing her to lose 40lbs before considering going back under the knife for plastic surgery.

‘I’m confident that my weight is still going down, so I’m excited to step on the scale,’ she told the camera.

She revealed her huge weight loss milestone (Picture: TLC)

‘Dr Procter wants me to get to 260lbs. so I’m hoping and praying that I’ve done enough work, I’ve done what I’m supposed to do to not only reach but possibly exceed his goal.’

Heading for the scales, the reality star was delighted to learn that she went above and beyond his expectations, and weighed 248lbs.

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‘My starting weight was 448lbs. I’ve now lost over 200lbs total since this journey started,’ she added. ‘I’m so excited, I’m overjoyed. I really want to go run around and throw a party.’

That is one party we need an invite to.

1000lbs Best Friends season 2 continues on Wednesdays at 10pm ET/PT on TLC.

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An incredible achievement!