In a sneak peek of the Dance Moms: Abby Tells All exclusive premiering on Tuesday at 9 p.m. on Lifetime, cameras roll as Miller heads to the Federal Correctional Complex in Victorville, California. Miller, 50, sat in the backseat and ate macaroni and cheese out of Tupperware, before cameras had to be shut off as she entered the jail.
Miller is then heard tearfully asking a worker if it is a far walk to the bathroom from where she'll be let out of the car.
"It's over," she later says to herself, openly crying.
See photos of Abby Lee Miller:
Abby Lee Miller from 'Dance Moms'
Abby Lee Miller from 'Dance Moms'
SANTA MONICA, CA - MAY 30: Dance Instructor Abby Lee Miller attends the Abby Lee Dance Company LA's VIP Grand Opening at Abby Lee Dance Company LA on May 30, 2015 in Santa Monica, California. (Photo by Vincent Sandoval/WireImage)
INGLEWOOD, CA - MARCH 28: TV personality Abby Lee Miller attends Nickelodeon's 28th Annual Kids' Choice Awards held at The Forum on March 28, 2015 in Inglewood, California. (Photo by Jason Merritt/Getty Images)
INGLEWOOD, CA - MARCH 28: TV personalities/dancers JoJo Siwa, Maddie Ziegler, Kalani Hilliker, tv personality Abby Lee Miller and dancer/tv personality Mackenzie Ziegler, accept the Favorite Reality Show Award for 'Dance Moms' onsteage during Nickelodeon's 28th Annual Kids' Choice Awards held at The Forum on March 28, 2015 in Inglewood, California. (Photo by Lester Cohen/KCA2015/WireImage)
SYDNEY, AUSTRALIA - MARCH 12: Abby Lee Miller and Maddie Ziegler arrives at the 2015 ASTRA Awards at the Star on March 12, 2015 in Sydney, Australia. (Photo by Caroline McCredie/Getty Images)
INGLEWOOD, CA - AUGUST 24: TV personality/Choreographer Abby Lee Miller attends the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California. (Photo by Jeff Kravitz/FilmMagic)
NEW YORK, NY - JULY 16: (L - R) Shad Moss, Abby Lee Miller, Keshia Chante attends 106 & Park at BET studio on July 16, 2014 in New York City. (Photo by Bennett Raglin/BET/Getty Images for BET)
NEW YORK, NY - JULY 16: TV personality Abby Lee Miller visits 106 & Park at BET studio on July 16, 2014 in New York City. (Photo by Bennett Raglin/BET/Getty Images for BET)
RIDGEWOOD, NJ - JULY 15: Abby Lee Miller signs copies Of Her Book 'Everything I Learned About Life, I Learned From Dance Class' at Bookends Bookstore on July 15, 2014 in Ridgewood, New Jersey. (Photo by Jim Spellman/WireImage)
Abby Lee Miller, The FOX Teen Choice Awards 2014 arrivals (Set B) at the Shrine Auditorium in Los Angeles, California. August 10, 2014. (Pictured: Abby Lee Miller)
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In an interview with The View's Jedediah Bila before serving her prison sentence, Miller also wiped away tears as she worried about being a target in jail.
"I hope it won't be as bad as I imagine. If it's that bad I probably won't survive it," she said bluntly, getting emotional. "I mean, if a whole gang of people want to kill you, they're gonna do it. If a whole bunch of people want to make your life a living hell, they're gonna do it."
Miller was found guilty in May of bankruptcy fraud in Pittsburgh, Pennsylvania. In addition to serving time, Chief Judge Joy Flowers Conti also ordered the reality star to pay a $40,000 fine and serve two years probation after her time behind bars. While on probation, she will need to live in a place "approved by the probation officer."
ET spoke with Miller earlier this month at the MARVEL UNIVERSE LIVE! AGE OF HEROES red carpet premiere in Los Angeles, where she shared that serving time will actually be an opportunity for her to concentrate solely on herself.
"I've always put everybody else's child first before my own health, before my own outfit, before my own time frame," she said. "Everybody else was dressed and out the door and looking perfect and I was running around trying to find a clean towel to take a shower with, so I think this will be a little 'me' time."