and I see she's from Essex, which doesn't surprise me to be honest. I went to school there until I was 18 and I'm certain that if a survey were undertaken, no region on the planet would compare to the proportion of slim, pretty girls with large (D cup+) boobs.
Go to any standard crappy nightclub in Essex (take some earplugs, you'll need them) and you'll see that Casey wouldn't even stand out that much. It'll be a sea of slim/big boob combos that is almost too much for your eyes to handle.
My theory behind this is some kind of supercharged evolutionary mutation drive - people in Essex are known to be shallow and superficial, and care mainly about sex (and, occasionally, modifying their cars
). Therefore attractiveness ranks higher than anything else. Over time, girls who are only 6s and 7s out of 10 either die without procreating or they move elsewhere where people aren't so fussy. Give it another 200 years and Essex will be a total real life SBB photoshoot