'1000-Lb. Sisters'' Tammy Slaton Achieves Goal Weight Required for Surgery: 'I Proved Everybody Wrong'

Tammy Slatonhas made important strides in her weight loss journey since entering rehab.In PEOPLE’s exclusive clip of Tuesday’s episode of1000-Lb. Sisters, the 36-year-old was with her sisters Amanda and Misty when she learned she dropped over 180 lbs. When Tammy first arrivedat the weight loss rehab facilityin Ohio, sheweighed 717 lbs., bursting into tears after admitting she was “the most I’ve ever weighed.““I need to get to 550 lbs. for me to be approved for surgery,” Tammy said in the clip.

'1000-Lb. Sisters'' Tammy Slaton Calls Wedding Day to Caleb Willingham 'Magical'

Tammy Slaton’s wedding day was exactly as she imagined. In PEOPLE’s exclusive clip of Tuesday’s episode of1000-Lb. Sisters, the 36-year-old marries Caleb Willingham in an intimate ceremony. The couple tied the knot November 20 atWindsor Lane Rehabilitation Centerin Gibsonburg, Ohio, where Tammy has been focusing on her weight loss journey. In the clip, Tammy is beaming in a white gown and tiara. As she comes down the aisle, Caleb starts to cry.

'1000-Lb. Sisters'' Tammy Slaton Continues to Make Weight Loss Progress After Surgery

Photo: Tammy Slaton/Instagram Tammy Slatonis back on social media showing off how much progress she’s made after her weight loss surgery. “Not only do you look healthier, you look happier. Great job Queen Tami, keep up the good work,” one person wrote. Another commented, “You look so amazing!! I have watched you and Amy from the beginning and I am so proud of you!!! Keep up the good work!!” Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

'1000-Lb. Sisters'' Tammy Slaton Drinks 8 Bottles of Liquor a Week, 'Putting Herself in Grave Danger'

BetweenTammy Slaton’s eating habits, lack of exercise and her worrisome new interest in drinking excessively, her doctor is concerned she’s “putting herself in grave danger.” In this exclusive clip, the 35-year-old says she’s been “battling mental health” and depression “big time.” “By myself,” she says. “That’s why I kinda felt like I needed to just take a break and not think about diets, relationships. Just clear my mind. Just work on me.

'1000-Lb. Sisters'' Tammy Slaton Hospitalized After She 'Quit Breathing': 'She's Gonna End Up Dead'

After a scary moment when she stopped breathing,Tammy Slatonis trying to turn her health around again in the upcoming season of1000-Lb. Sisters. In PEOPLE’s exclusive teaser, the 36-year-old has her family worried after she “quit breathing” and was rushed to the hospital. “Her body shut down,” her sisterAmy Slatonsays in the clip. In the clip, Tammy was given a tracheotomy — a surgical procedure that creates a hole in the throat to insert a breathing tube — to ensure that they could give her emergency breathing support at any time.