The folks at M&M decided Nicole Richie probably shouldn't be endorsing any of their products since it's unlikely she will actually eat them. Nicole was fired as the sexy Green M&M and curvy Pam has replaced her. I think it's a much more appropriate fit anyway. Here's more info:

Anderson is replacing Nicole Richie to launch the green M&M, after concerns for stick-thin Richie's health. Organisers were worried that Richie, who is the latest Hollywood star to face serious eating problems, wouldn't be right to promote the launch of a chocolate. Richie is believed to be close to entering rehab again, so wouldn't have been a reliable choice anyway.

The last sentence is the most interesting. So is Nicole headed back to rehab? We think someone needs to intervene. She's so gonna break.