Agencies ask that female models are no less that 5'11 and males, nothing under 6'0. If you are, you can be disadvantaged. Your average healthy female model could range anywhere between 45-60...
She claims to have been born in December 1978 which would make her 30. Her son is 13 according to her Twitter account, which means she had him when she was 17. I don't know, but she may be lying...
if you are a male model then you should weight between 78 - 85 kgs and if you are a women model then you should weight between 62 - 68 kgs. More that weight check with your appearance if you wanna be...