Why do Hollywood celebrities only drive a silver Prius?

Camronprius There must be a law in Hollywood that says if you are a celebrity
actor, and you care about the environment, and you want people to know
that you care about the environment, you must drive a Prius.

No, make that a Silver Prius.

Here’s a official, unverified, and incomplete list of celebrities that drive a Prius from Hybridcars.com:

What’s really interesting is that every celebrity I could find behind the wheel of a Prius, was behind the wheel of a Silver Prius.

What’s really interesting is that every celebrity we could find behind the wheel of a Prius was behind the wheel of a silver Prius.

Adrein Strange but True:

Alexandra Paul
Alicia Silverstone
Dr. Andrew Weil
Arianna Huffington
Bill Maher
Billy Crystal
Billy Joel
Brad Pitt
Cameron Diaz
David Duchovny
David Hyde Pierce
Donna Mills
Donny Osmond
Ed Begley
Ellen DeGeneres
Ewan McGregor
Hart Bochner
Harrison Ford
Jack Black
Jack Nicholson
Larry David
Kevin Bacon
Kirk Douglas
Kurt Russell
Leonardo DiCaprio
Dr. Oliver Sacks
Patricia Arquette
Prince Charles
Rob Reiner
Robin Williams
Salma Hayek
Susan Sarandon
Tim Robbins
Ted Danson
Tom Hanks
Woody Harrelson
Will Ferrell

at Kate Bosworth standing next to her (what else but) silver Prius.

Kate