Simpson Thacher is representing Blackstone in connection with its proposed acquisition of a majority stake in Spanx, Inc. (“Spanx”) from its founder Sara Blakely in a transaction that values Spanx at $1.2 billion.~~Founded by Sara Blakely in 2000, Spanx is a mission-driven womenswear brand offering both innerwear solutions and figure-flattering outerwear, activewear and swimwear.~~The Simpson Thacher team includes Elizabeth Cooper, Erica Egenes and Chelsea Penther (M&A); Jeannine McSweeney, Alisa Tschorke and Allison Sutherland (Executive Compensation and Employee Benefits); Lori Lesser and Alysha Sekhon (Intellectual Property); Sophie Staples, Caroline Phillips and Lina Pan (Tax); Catherine Burns and Tina Zheng (Financing); Krista McManus and Stephanie Brenner (Real Estate); Kelly Karapetyan (Antitrust); and Noreen Lavan (Environmental).