The last houseguest leaves the house before the finale

SPOILER ALERT: This post contains details about Big Brother Season 26, Episode 37, airs Thursday, October 10th.

The final and most important eviction of Big Brother Season 26 will be decided by the houseguest who gains the power of veto.

The four remaining houseguests are Cam Sullivan-Brown, Chelsie Baham, Makensy Manbeck and Rubina Bernabe.

Chelsie already secured her place in the Final 3 by winning the Head of Household competition, her fourth win of the season. As HOH, Chelsie put Cam and Makensy on the block to face eviction.

Who won the veto power? Big Brother Season 26, Week 12?

In the POV competition, Rubina and Chelsie were quickly eliminated, leaving Cam and Makensy in a neck-and-neck race to stay in the game. In the end, Makensy won the POV, had the opportunity to save herself from eviction, and was the only cast member to send another housemate to the jury.

Who was up for eviction? Big Brother Season 26, Week 12?

Makensy used the veto against herself and Rubina went on the block as she was the only option for a replacement.

RELATED: Big Brother season 26 cast photos.

How did it come about? Big Brother Season 26 House vote in Week 12?

Makensy had the only vote and voted for Rubina.

Who was expelled from? Big Brother Season 26 in week 12?

Rubina was the thirteenth houseguest to be evicted from the house Big Brother A house.

Who will decide on this? Big Brother Season 26 winner?

The evicted houseguests, now part of the jury house, will determine the winner of Big Brother Season 26 with Quinn, T'kor, Leah, Angela, Kimo and Rubina.

One final houseguest will join the jury on finale night to crown the season's winner.