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Big Brother alum Janelle Pierzina discusses how Rachel Reilly’s improved social game gives her an advantage in season 27, focusing on alliances, strategy, and interactions in the house.

This is Big Brother. On Monday, Rachel Reilly gave her housemates a taste of what it was like to play the game back when she won. The aftermath? An exhilarating day of Big Brother live feeds highlighted the need for the long-in-the-tooth reality series to improve its casting of big players for future seasons.

Big Brother Season 27 Week 6 revealed Rachel Rilley as the new Head of Household. With that, she shocked everyone after teaming up with fellow housemate Keanu.

The former Big Brother alum has recently made her surprise comeback in Big Brother season 27. She is the winner of Big Brother season 13.

Rachel Reilly and Brendon Villegas met on 'Big Brother 12' and built a lasting marriage after winning fans with their showmance

Zach Cornell made one of the most controversial moves, or non-moves, in "Big Brother" history. Here's what he has to say now that he's out the house.

Lauren Domingue achieved a major milestone in Big Brother 27, becoming the season’s first houseguest to claim both Head of Household and Veto wins in one week