Beginning with "the bachelorette," desiree hartsock opening up of her heart was broken on national tv. She was caught off guard when she was dumped. That's a harsh word. And abc's bianna golodryga is... See More
Beginning with "the bachelorette," desiree hartsock opening up of her heart was broken on national tv. She was caught off guard when she was dumped. That's a harsh word. And abc's bianna golodryga is here with more. Reporter: She was dumped in front of millions of people around the world. Blind side heard around the world. The first part of the two-week "bachelorette" finale was hurtful for des, who had narrowed it down to twee suitors. This morning, des is talking about that moment and how it almost led her to quit the show. I can't. I can't. Reporter: It's one of the most dramatic "bachelorette" moments ever. Seriously. For once in my life, I was so hopeful. Reporter: And never-before "bachelorette moment," desiree hartsock, dumped on national television, by final three front-runner, brooks. I didn't want to share my heart. I wanted to give it to you. Reporter: Des admitting she almost left the show. Writing on her people.Com blog, books' departure really threw me for a loop. I couldn't imagine not reaching the full potential of a proposal. Des deceived, saying he led me to believe that he wanted this to work out. Adding, I was completely blindsided and heartbroken. That moment, hitting a little too close to home for former "bachelor" contestant, melissa rycroft. Who may have won the final rose. Will you marry me? Reporter: But not his heart. We're not right for each other. I would love to tell des to pick up the phone and call me. I know a thing or two about bouncing back after a bad breakup. Reporter: Rycroft is happily married with a little girl. And she says she would do it all over again. It molded me into who I am now. It led me to my husband. Reporter: And relationship experts say such a bad breakup could be the best thing to happen to des. Having your heartbroken is essential to finding true love in the future. It gives you depth. Reporter: Des admitting she was relieved now that brooks was honest. Saying, she wanted to see this through, with the two remaining men. But not everyone is convinced brooks is gone for good. People come back, realizing the error of their ways. And I'm going to place my bets that we're going to see brooks back. I think I'm with melissa. I think we might see brooks again. Des said I love you to him. That's the only man she said i love you to on the show. And he never says I love you back. Ooh. Yeah. The finale of "the bachelorette" airs monday, atle:00 eastern, 7:00 central, after "the final rose" event, right here on abc. Going to say thank you.
This transcript has been automatically generated and may not be 100% accurate.