'Bachelor' alum Britt Nilsson reveals she was bulimic on Chris Soules' season: 'I felt insecure'

Britt Nilsson is coming clean about her time on The Bachelor.

In an emotional YouTube video posted earlier this month, the reality star revealed that she struggled with bulimia while filming Chris Soules' season of The Bachelor in 2015 -- and that she went through great lengths to hide her eating disorder from producers.

EXCLUSIVE: Britt Nilsson Talks Engagement, Wedding Planning & What 'The Bachelor' Taught Her About Love

"I was sober on the show, so that was good," Nilsson shared, describing herself as an alcoholic. "But when I'm not drinking, a harder problem, and a longstanding problem, has been my addiction to food and my relationship with food. It's been very complicated."

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LAS VEGAS, NV - MAY 17: TV Personalities Kaitlyn Bristowe and Britt Nilsson attend the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by C Flanigan/Getty Images)
LAS VEGAS, NV - MAY 17: Britt Nilsson arrives at the 2015 Billboard Music Awards at MGM Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Jon Kopaloff/FilmMagic)
LAS VEGAS, NV - MAY 16: Britt Nilsson (L) and Kaitlyn Bristowe attend the UPS Gifting Lounge during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 16, 2015 in Las Vegas, Nevada. (Photo by David Becker/BMA2015/Getty Images for dcp)
THE BACHELORETTE - 'Episode 1101A' - America fell in love with two very different but dynamic Bachelorettes last season - Britt Nilsson and Kaitlyn Bristowe. It was hard to choose between the beautiful, charming Britt and the gorgeous, fun-loving, wise cracking Kaitlyn. So now, 25 eligible bachelors will choose between these two amazing women. For the first time in franchise history there will be two Bachelorettes. Chris Soules sent both ladies home broken hearted, but now with another chance at love, both women are ready to take a journey they hope will wind up happily ever after, on 'The Bachelorette' two-night premiere event, MONDAY, MAY 18 (9:01-11:00 p.m., ET) and TUESDAY, MAY 19 (8:00-9:00 p.m, ET), on the ABC Television Network. (Photo by Rick Rowell/ABC via Getty Images) BRITT NILSSON, JJ
THE BACHELORETTE - 'Episode 1101A' - America fell in love with two very different but dynamic Bachelorettes last season - Britt Nilsson and Kaitlyn Bristowe. It was hard to choose between the beautiful, charming Britt and the gorgeous, fun-loving, wise cracking Kaitlyn. So now, 25 eligible bachelors will choose between these two amazing women. For the first time in franchise history there will be two Bachelorettes. Chris Soules sent both ladies home broken hearted, but now with another chance at love, both women are ready to take a journey they hope will wind up happily ever after, on 'The Bachelorette' two-night premiere event, MONDAY, MAY 18 (9:01-11:00 p.m., ET) and TUESDAY, MAY 19 (8:00-9:00 p.m, ET), on the ABC Television Network. (Photo by Rick Rowell/ABC via Getty Images) SHAWN B., BRITT NILSSON
THE BACHELOR: AFTER THE FINAL ROSE - Immediately following the dramatic Season Finale of 'The Bachelor,' emotions ran high as Chris sat down with Chris Harrison - LIVE -- to discuss his final two women of the season, Becca and Whitney. In this unpredictable special, the Bachelor took us back to Arlington, Iowa, where he spent the emotional last days of his journey. Both women sat with Chris to talk about the outcome of the show. In addition, the new Bachelorettes were revealed, live, on 'The Bachelor: After the Final Rose,' airing MONDAY, MARCH 9 (10:01-11:00 p.m., ET). (Photo by Rick Rowell/ABC via Getty Images) KAITLYN BRISTOWE, CHRIS HARRISON, BRITT NILSSON
JIMMY KIMMEL LIVE - Emmy Award-nominated 'Jimmy Kimmel Live' airs every weeknight (11:35 p.m. - 12:41 a.m., ET), packed with hilarious comedy bits and features a diverse lineup of guests including celebrities, athletes, musicians, comedians and humorous human interest subjects. The guests for MONDAY, MARCH 9 included actor Dwayne Johnson, actress/singer Bette Midler, Kaitlyn Bristowe and Britt Nilsson (the next 'Bachelorette' and musical guest The Afghan Whigs. (Randy Holmes/ABC via Getty Images)
JIMMY KIMMEL LIVE - Emmy Award-nominated 'Jimmy Kimmel Live' airs every weeknight (11:35 p.m. - 12:41 a.m., ET), packed with hilarious comedy bits and features a diverse lineup of guests including celebrities, athletes, musicians, comedians and humorous human interest subjects. The guests for MONDAY, MARCH 9 included actor Dwayne Johnson, actress/singer Bette Midler, Kaitlyn Bristowe and Britt Nilsson (the next 'Bachelorette' and musical guest The Afghan Whigs. (Randy Holmes/ABC via Getty Images)
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"You're mic'd 24/7, and I would take my mic off and try to hide it under towels and stuff so they wouldn't hear me throw up, because then that was going to be the show, and that was going to be a plotline, and how horrible would that be to be the girl who has an eating disorder, who can't stop eating and throwing up," she explained. "I mean, I had broken blood vessels. I would throw up until I was bleeding out of my nose, and I would just wipe it off. I just couldn't stop, and it's been a theme in my life."

Nilsson said that while other girls questioned her intentions throughout filming, she wasn't aware that they were talking about her behind her back until the end of the show. Instead, her bulimia stemmed from her own anxiety.

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"I was in the show for about two and a half, three months...For me, having tons of food everywhere, and you're just a captive audience, you can't go anywhere," she confessed. "I had pain and anxiety, I felt insecure, I didn't feel pretty enough, I didn't know what was going on, I missed my family, and I hadn't acted out in that way in a really long time."

"I was totally terrified that it was going to be caught on a mic, and that everyone was going to hear, and millions of people knew that I couldn't control myself," she added.

The brunette beauty, who also competed to be the Bacheloretteagainst Kaitlyn Bristowe, said she's since learned to control her eating disorder, and has been sober for one year.

"Not that I was drinking a bottle of wine by myself in the bathtub, or waking up and taking shots, but my personality, for better or worse, is a personality where little is good, all is best, and more, more, more," she admitted. "That's just something that I've had to navigate throughout my entire life. Alcohol has been part of my life off and on, but whenever it is a part of my life I try to control it and I can't."

Nilsson credits her new fiance, Jeremy Byrne, for helping her through her struggles. See more on the couple in the video here.

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