Why does Hannah B show up in 'Paradise'?

"GMA" has an exclusive sneak peek at Monday night's shocking "Bachelor in Paradise" episode, where the former "Bachelorette" shows up.
2:35 | 08/19/19

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Transcript for Why does Hannah B show up in 'Paradise'?
we're going to head back to will reeve who is still on the beach. This time with all the details about bachelor nation's big show. Tonight is the start of a two-night event, and will, a lot of surprises ahead. Reporter: Yeah, Amy. Tons of surprises. I am back on the beach. Hannah B. Is back down in paradise. John Paul Jones is quoting Shakespeare. I think that's a first, and there is a whole bunch of other stuff going on, lots of drama. You have to just take a look. Reporter: It's that time of the season on bachelor nation's paradise edition. Things are getting a little hot on the beach. Paradise! Reporter: And the faceoffs and the fights are heating up. You want me to wreck the pinata right now? Please don't wreck the pinata. That pinata is getting wrecked. Oh my god. Christian, I'm sorry, but he's a good friend of mine. What's happening? No, guys. Stop. They're, like, actually fighting. Oh my god. No. Reporter: Male model Jordan has a pattern of doing this in paradise. Wow. Really? Reporter: Saying this -- I'm a pretty cool cat. Just David, stop pushing me. Reporter: And this posted over the weekend on "Bachelor in paradise's" Instagram. Stop worrying about everybody else. Have a cup of coffee, look yourself in the mirror and say, how are you today? Can we do that? Reporter: But the mystery of the faith of that pinata, is why is bachelorette Hannah B. Suddenly showing up? Hi, everybody. I'm so glad to be here. I hope y'all are having a great time, but I really want to talk to demi. So, you know, I want to talk to you. So you want to go chat? Let's do it. Okay. Bye, y'all. Bye. It would take something massive for me to feel like I have been doing this for awhile I care about demi more than anything else. She has, like, talked to me about some things that are very personal that I know nobody else here knows. Reporter: It's just amazing, and you can see that tonight and tomorrow night. "Bachelor in paradise," only on ABC, 8:00 eastern, you'll be there. How amazing? I need you to say that again. Reporter: It's just -- it's amazing. Thank you, will.

This transcript has been automatically generated and may not be 100% accurate.

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