Blanchett's Sitter (Cate Blanchett X Reader)

Your an adult in her 20's living in London alone, being the only child with no connection with your parents whatsoever you lived carefree , you moved to London and started a new life, working for a company that provides sitters/nannies for celebrities, one very early morning you receive a phone call from your boss informing you that you have just been selected to sign a contract with a rather interesting family, but however what happens after you find out you'll be working for a rather tall, blond, married aussie with 4 glorious children, what will your reaction be and what will the blonds reaction be to meeting you for the first time, what will happen once the both of you become friendlier than u should to one another....