Christie Brinkley thinks 'ageing is the last frontier' for the modeling industry
The 67-year-old model shared that ageism remains a problem in modeling
'Women tell me that they want to see themselves in there,' she said
They want to be stylish but they don't want to look like they're trying too hard'
And Brinkley said women of a certain age hope to be 'represented'
Despite ongoing issues, Christie remains eager to keep working