Renee Zellweger puts on 'fat suit' to play convicted murderer Pam Hupp in The Thing About Pam

Renee Zellweger and Josh Duhamel are spotted on the set of true crime series The Thing About Pam

See Renee Zellweger's Major Transformation for NBC's 'The Thing About Pam'

Renee Zellweger looks unrecognisable in fat suit for new killer crime series