Big Brother featured the week's Head of Household, Kaycee Clark, nominating Haleigh Broucher and Sam Bledsoe for eviction during Sunday night's Season 20 broadcast on CBS.

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The Big Brother broadcast began on Day 79, with Kaycee bragging about how she's brought her A-game "in the fourth quarter" by winning a BB Hacker competition as well as two Power of Veto competitions and now a Head of Household.

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Meanwhile, Brett Robinson was upset because he lost the HoH competition by one second, but he noted it would be a positive to not get any blood on his hands this week.

Tyler Crispen gushed about how "Level 6" might actually make it to Final 6, as they are almost there.

Haleigh was so aggravated she didn't win the competition because she realized it was the only way to stay off the chopping block. She had no idea which person she was going to sit next to, but she intended to "just keep swimming."

As for Sam, she said she must be doing something right since she's still in the game, but she was in the house "all alone" and it was really hard. She had to prevent herself from crying and reminded herself to remain optimistic.

When Kaycee checked out her HoH room, she discovered her brother had gotten engaged and wants her to be his "best man, woman or thing-a-ma-jig." Kaycee was thrilled and said yes, especially since her family has struggled a bit to accept and embrace her sexuality.

Tyler told the cameras although Kaycee acted so tough on the outside, she's a kind-hearted teddy bear on the inside. This was the boost Kaycee needed to continue fighting for the $500,000.

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Angela Rummans and Kaycee were then shown talking about the nominees. Haleigh was Kaycee's target this week, and the pair decided either Sam or JC Mounduix needed to go up on the block as a pawn. Since JC worked with Level 6 more often, the best option seemed to be Sam.

Brett then spoke to Sam about how she needed to stay calm and "not freak out" if she gets nominated for eviction. Brett was trying to build trust between them so she wouldn't target him if she becomes the next HoH. Sam trusted Brett and absorbed what he had to say.

Afterward, Kaycee told Sam that Haleigh was her target and everything was going to be fine. Kaycee assured Sam she was not going home.

Haleigh then insisted to Kaycee that she was in her corner, saying, "You have me," but Kaycee didn't trust her at all given Haleigh had put her on the chopping block twice.

"Yes, Haleigh, I do have you -- as my No. 1 target this week, Sweetie," Kaycee said in a confessional.

Former Big Brother winner, Nicole Franzel, then entered the house thinking she was there to host a "luxury competition," but instead, her boyfriend Victor Arroyo, whom she met in the Big Brother house two years ago, proposed marriage!

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"Wherever you are is where I belong, and now I can't imagine being anywhere else... You are my soul mate, my best friend, my lover and my blank. You always fill in the blank... Even though I didn't win the money, I walked out of Big Brother with the biggest prize of all, and that was you," Victor told her on the big screen in the house.

Victor then surprised Nicole in person with a haircut and a custom-made diamond engagement ring in hand. He asked her to marry him and she said, "Yes, of course!"

The pair were then congratulated by former Big Brother players Paul Abrahamian, Derrick Levasseur, Josh Martinez, Britney Haynes, and Daniele Donato.

Later on, Angela opened up to Tyler about how she was a competitive gymnast when she was younger but being wrapped up in the sport robbed her of her childhood and made her family fall apart.

There were tears and resentment, and Angela revealed she rarely shows emotion now because she spent years trying to hide her true feelings about gymnastics. Angela admitted she hated her past and wouldn't wish those years on anyone else.

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Tyler felt lucky to meet someone like Angela, and he considered her "a pretty amazing person."

Prior to the Nomination Ceremony, Kaycee confessed to Haleigh she was going up on the block. Kaycee told her everything was going to be okay even though it was going to be a long week. Haleigh cared about her and cried about having to go through the process again of being nominated.

"I'm just emotionally drained," Haleigh cried in a confessional. "This whole situation sucks."

Kaycee really liked Haleigh as a person but said she had to do what she had to do -- that her move was going to be strictly game related and nothing personal.

The episode concluded with the Nomination Ceremony. Kaycee explained Sam had voted against the house twice and Haleigh had nominated her for eviction twice.

"As long as Haleigh doesn't win the veto, she's going to the jury house with the rest of her alliance. Sorry, kid," Kaycee told the cameras.

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Haleigh called herself "a lone soldier" in the house but she was not going to roll over and die. Sam said her nomination didn't "seem real" but Kaycee had promised her that everything was going to be alright.

"If this is all a lie and at the end of it, I'm standing there looking like a dumbass, I will tear every door off it's f-cking hinges on my way out of this m-therf-cker and I will absolutely rip these b-tches to shreds. I may lose my mind, and I swear on everything that's holy they will regret it," Sam said.