Christine Quinn is the sassiest reality TV star on Netflix, a glamazon who sells multi-million dollar Hollywood homes during “burgers and Botox” parties, and baits her realtor colleagues with one-liners as sharp as her Louboutin heels. We got the chance to meet the self-confessed “boss bitch” of Selling Sunset in real life when she flew to London to launch her appropriately sassy Ciaté make-up line.