Big Brother evicted Analyse Talavera over Christie Murphy in a shocking turn of events and then Holly Allen was crowned the new Head of Household during Thursday night's live Season 21 episode on CBS.

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Although Christie, a 28-year-old boutique owner from Staten Island, NY who currently resides in Keyport, NJ, had been the target all week and Analyse, was just the pawn, the house decided to flip the vote and send Analyse packing in a shocking 5-1 vote in which Nick Maccarone was the only person who voted to evict Christie after Christie blew up his game.

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"I feel really betrayed by [Jackson Michie]," Analyse, a 22-year-old college soccer star from Northridge, CA who currently resides in Simi Valley, CA, shared with Big Brother host Julie Chen in her post-eviction interview.

"He told me before he put me up that he really trusted me and he didn't want to see me out here and he wanted to work with me, and I really believed him. And so when I was nominated, I was really blindsided."

Big Brother 21 - Episode 26

The Big Brother broadcast began on Day 62, with Jackson saying he felt confident the house was going to honor his wish and send Christie packing.

Analyse thought she was a pawn and had the votes to stay, but Tommy Bracco said if anybody could pull off a miracle, it's Christie.

Christie felt Nick had made a deal with Michie and the house needed to see that. Christie was going to try to convince people they would need her going forward to shift the power in the house away from the strong guys.

Christie was then shown saying Nick was in the middle and would try to make Analyse and Nicole Anthony "shoot at each other" and Cliff Hogg and Tommy "shoot at each other" so he could skate his way down the middle right to the end of the game.

Christie called Nick "a snake" and said it was her goal to expose him.

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Christie therefore spoke to Michie about her concerns, and she wanted him to know her goal was to get Nick out going forward -- not Michie or Holly. Michie told Christie her smartest move would be to blow up Nick's game openly in front of the whole house.

Michie wanted a target to be on anyone else's back but his own.

Christie said Nick "had deals with everyone" and she was going to argue why it's valuable to keep her in the house at dinner on "Taco Tuesday." Nick overheard Christie talking and was so annoyed because he claimed to have been nothing but loyal to her.

Nick was tired of Christie and having his game dragged through the mud, and he couldn't wait to see her go. Michie then admitted to Nick that Christie thought he was running the game.

Nick called Christie "petty" and "catty" and didn't understand why she was going after him. Michie encouraged both Nick and Christie to blow up at each other so he could just sit back and take it all in.

Nick was done biting his tongue and then he confronted Christie and told her to keep his name out of her mouth.

Nick started yelling about how Christie was the liar, but Christie said he hadn't been honest and threw out an example of how he had wanted to target Michie and Holly while cozying up to them at the same time.

Christie said Nick was "manipulative" and had planted himself in the middle of three pairs, all of whom felt safe with him. Christie therefore accused Nick of throwing Head of Household competitions so he wouldn't have to show his cards or true loyalty.

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Nick denied throwing a single HoH competition and was furious, but Christie continued her rant and said no one thought he was going after them -- not Holly, Cliff, Nicole, Analyse, etc -- which made him dangerous. Christie wanted the house to see they could use her as a weapon to take Nick out.

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Holly and Michie talked about the explosive fight afterwards, and Holly noted if they got rid of Analyse instead, it would remove one person from Nick's army going forward. Holly also noted Analyse had the potential to float to the end of the game without a target on her back, putting the target on her own back instead.

Holly explained Analyse was "sitting pretty" while Christie would continue to have a target on her back and serve as a shield for them going forward.

In addition, Holly said Christie was so desperate to have people in her corner that she'd be grateful to stay and wouldn't go after them as a result for at least a little while.

Michie admitted Christie had made some valid points to stay, but Holly also feared saving Christie might end up being the biggest mistake ever.

"For my game right now, I do think Nick is the biggest threat to me," Holly told the cameras. "Do we keep Christie in the house, work with her and try to get Nick out?... I don't know what to do."

It then became time for the live eviction vote. Analyse said she'd love to continue competing and had played a loyal game and stayed true to herself.

Christie told the group she wouldn't change a single thing about her experience in the Big Brother house and she had so much more to give.

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Christie added she'd make and keep her deals and could win competitions. Christie and Analyse also expressed to one another how they had become best friends in the house.

Jessica Milagros, Tommy, Holly, Nicole and Cliff voted for Analyse, while Nick voted to evict Christie.

Analyse told Julie in her post-eviction interview the blowup between Nick and Christie caused her elimination because the house probably thought she'd protect Nick going forward when he's now the biggest threat.

Analyse was rooting for Tommy to win the next HoH.

The houseguests were then shown studying names and calls of birds in an "audio tour" that lasted through the night that followed Analyse's eviction, and they all assumed it had something to do with the upcoming Head of Household competition.

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However, the players provided viewers with a good laugh because this was just part of a new Big Brother twist called "Prank Week."

"It was all for nothing..." Julie later shared with the houseguests. "Tonight's Head of Household competition has nothing to do with birds or the audio tour."

And with that being said, the actual next Head of Household competition dubbed "Prank Shot" commenced. Everyone was eligible to compete except for Michie since he was the outgoing HoH.

Julie warned the players that America would be voting to prank the next HoH, so they were warned that even though that person would be "completely safe" this week, their duties will be affected.

The competition required the houseguests to roll a ball down a yellow plank one at a time. Beneath the plank were numbered slots, and each player's score would be the number on which his or her ball came to a rest.

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In addition, the houseguests to receive the three lowest scores would receive a punishment appropriately themed for Prank Week.

Holly went first and immediately scored the highest number of points, 50. No one could beat that score, and so Holly became the new Head of Household.

The three people to receive a punishment were Jessica, Nicole and Cliff, but they'd find out about it later.

It then became time for America to vote for this week's Prankster, who will be able to take over half of Holly's power. The houseguest to receive the most votes will be able to secretly control and choose one of the two nominees for eviction this week.

The Prankster will also be able to choose the replacement nominee if a person is taken down from the chopping block following the Power of Veto competition.