If her name starts with the letter K, then that fits BC’s type after AJ. Because OP wasn’t a model, AJ was a furniture designer.
He seems to like slender, tall-ish women ranging from 5′7″-5′10″. Blue-eyed brunettes and green-eyed blondes in particular. Lupita broke that pattern, they did apparently hook up. So while BC has a ‘type’ it looks like he is more open-minded than some people think.