'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Season 21 cast

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Season 21 cast

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Season 21 cast

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Season 21 cast

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Season 21 cast

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Morgan Pope

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Morgan Pope

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Morgan Pope

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Morgan Pope

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Morgan Pope

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Morgan Pope

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Daniel Durston

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Daniel Durston

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Daniel Durston

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Daniel Durston

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Daniel Durston

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Daniel Durston

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Daniel Durston

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Cody Calafiore

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Cody Calafiore

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Cody Calafiore

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Chelsie Baham

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Chelsie Baham

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Chelsie Baham

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Chelsie Baham

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Chelsie Baham

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Derrick Levasseur, Taylor Hale

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Derrick Levasseur, Taylor Hale

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Derrick Levasseur, Taylor Hale

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Derrick Levasseur

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Derrick Levasseur

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Derrick Levasseur

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Derrick Levasseur

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Taylor Hale

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Taylor Hale

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Taylor Hale

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Taylor Hale

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Taylor Hale

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Josh Martinez

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Josh Martinez

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Josh Martinez

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Guests

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Guests

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Guests

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Rachel Reilly

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Rachel Reilly

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Rachel Reilly

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Rachel Reilly

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Rachel Reilly

'Big Brother' celebrates its 1000th episode at Radford Studio Center in Los...

• People: Kaycee Clark