Big Brother' cast change: Christie Valdiserri tests positive for

Big Brother warns viewers to always expect the unexpected, but no one probably expected a cast change already -- as Christie Valdiserri has been dropped from the cast and replaced due to a positive COVID-19 test result.

The Real Reason Christie Valdiserri Left Big Brother 23 - Parade

wildest double eviction of Big Brother HISTORY. : r/BigBrother

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Philadelphia Native Christie Valdiserri Removed From Big Brother Due To Positive COVID-19 Test - CBS Philadelphia

Big Brother 2021: Last Minute Change to the BB23 Cast Announced! - Big Big Brother

Big Brother 23 (2021)—Cast, Evictions, Spoilers, Host, News - Parade

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Big Brother Replaces Season 23 Contestant Christie Valdiserri Days Before Premiere

CBS Warns 'Big Brother' Stars About Their 'Inappropriate Behavior

Big Brother' Season 23 Cast Member Tests Positive for COVID-19 Ahead of Premiere