Victoria's Secret is notoriously picky about the models it hires.

The select few "Angels" are a core part of the brand's marketing plan and help it control more than 30% of the global lingerie market. 

The models train vigorously - especially before the big annual fashion show.

In addition to working out constantly, many models say that diet is a key part of their strategy to looking good. 

Here's a look at what they eat.