Those days at Virgin Blue are long gone. I work at
VB and when I joined I was 32 and a size 14........hardly model material.
VB doesn't require a photo when you apply so it is pot luck as to what people at the recruitment days look like. At all airlines there is a grooming policy and most people applying know this and dress accordingly, including both of you I assume.
Maybe you should have some confidence in your own abilities when you interview that they will see what a fabulous employee you would make, rather than questioning your looks........ which will not help you one bit during ground school and once you are on line.
Good luck to both of you with Tiger.