'Big Brother 12': Week 4 Power of Veto competition and ceremony results

hayden-moss-big-brother.jpgRachel made her week 4 nominations for "Big Brother 12," find out if either one of them has been removed from the block. Spoiler alert - do not keep reading if you don't want to be spoiled.

Britney won the Power of Veto competition on Saturday, July 31. It appeared by a few glimpses we saw on the live feeds that it had something to do with a giant pinball machine, but we aren't sure how exactly the competition worked.

In Monday's (Aug. 2) Power of Veto ceremony, Britney chose not to use the POV, which means either Kristen or Hayden will be sent packing Thursday, Aug. 5. From the sound of it, Hayden will be staying. He has the Brigade votes (Enzo, Lane and Matt), which means he only needs one more to stick around.

"Big Brother 12" airs Sunday, Wednesday and Thursday nights at 8 p.m. ET on CBS.

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Photo credit: CBS