PACIFIC HARBOUR, FIJI: 'Love Island USA' Season 5 star Kassy Castillo stole Casa Amor's recoupling episode. She missed no chance to stand up for herself as she slammed her old match.

The Casa Amor twist jeopardized old connections, rising a lot of doubts in the contestants' minds. Some of the boys were seen forgetting about their ex-partners as they explored their relationship with Casa Amor bombshells.

Leonardo Dionicio made a mistake by falling for the new islander Johnnie Olivia. He was seen as deceptive about his new connection.

Kassy called out Leo in front of everyone, calling him "disrespectful" to her. 'Love Island USA' Season 5 star is thankful that she found her true match in the Casa Amor twist.

Why did Kassy Castillo call Leonardo Dionicio 'f**king c*nt'

After watching the video of Leo, Kassy instantly said, "I f**king knew it, dude." She added, "F**king c*nt." She allegedly referred to Leo as the star was "disgusted" by the fact that he made out with someone else.

As she entered the Casa Amor's recoupling episode, Kassy looked towards Leo as she said, "I know he f**ked her (Johnnie)." She then claimed, "That's disgusting."

Kassy continued to slam Leo saying, "I thought I knew you, but I don't know you so do you." Referring to Leo, Kassy said, "He pretty much said f**k you to my face and slept with somebody he just met."

Kassy calls the situation "crazy." But, the star was thankful that it brought out Leo's true colors in front of her. When asked by Leo whether he wanted to say anything, he claimed, "Kassy did not deserve that."

Leo realized what he did was "selfish" and wished he would have never put her in that situation.

Who did Kassy Castillo pair up with in Casa Amor recoupling?

Kassy walked into the Casa Amor recoupling episode with Matia Marcantuoni. She said, "I'm happy I'm with a mature guy who's respectful."

The star said that when Casa Amor's twist came all she thought about was going back to the villa as she was missing Leo. But, then she met Matia. She said, "He's, like I said, mature and wise."

Kassy claimed to have paired up with Matia to spend more time with him and see whether their connection could be stronger than what she had with Leo. Kassy then claimed that she has not been giving her 100% to Matia but she will now give, knowing that there is no future with Leo.

Kassy said towards the end of the recoupling episode, "I'm happy I made this decision now."

'Love Island USA' Season 5's new episodes premiere from Thursday to Tuesday, 9 pm ET on Peacock.