It’s official: After Page Six exclusively reported on Monday that Aerin Lauder is launching her own fashion and lifestyle company, Estée Lauder Co. last night unveiled Aerin’s new luxury lifestyle brand, Aerin LLC. It will be separate from Estée Lauder and Aerin will step down as Estée’s senior vice president/creative director. She’ll remain on the board and continue to be global ambassador and spokeswoman.