Spanx References Spanx undergarment brand Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of EncyclopĂŠdia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Sara Blakelyinventor and entrepreneur who created Spanx, a brand of body-slimming womenâs undergarments, and in 2012 became the worldâs youngest female self-made billionaire. Read Moreinventor and entrepreneur who created Spanx, a brand of body-slimming womenâs undergarments, and in 2012 became the worldâs youngest female self-made billionaire. Read More