'Natalie Cassidy
'Natalie Cassidy's Then & Now Workout' (2008)
The promise:The ex-EastEnders star shocked the nation when she went from a size 16 to a size eight. She claimed: "I've lost 2 1/2 stone with this DVD!"
Now: Just three months later, Natalie has reportedly put on one and a half stone and claimed that the pressure of releasing a fitness DVD proved too much.