Joan Smalls by Sir John: Estee Lauder Joan Smalls has done it again: served up another covetable lip for the kiddies.  Of course, Sir John custom-blended this beauty just for the Queen since it was her idea. Sir John recounted the daring decision to The Coveteur: She’s a little tanned right now, so we wanted to play up a glowing radiance, post-sun look, but the purple lip was Joan’s idea. For me, it was really about finding the texture, because she didn’t want anything glossy. We mixed colors together and got really creative. She saw the lip on Instagram. She follows beauty addicts and we compared makeup war stories and found the perfect…