Katy Perry attends Michael Kohn’s 25th-anniversary party. (Stefanie Keenan / Wireimage)
Michael Kohn, left, Ellen DeGeneres, Portia de Rossi, Kenny Scharf and Samantha Glaser. (Stefanie Keenan / Wireimage)
Alexandra von Furstenberg, Michael Kohn and Dax Miller. (Stefanie Keenan / Wireimage)
Anne Crawford and Kathi Cypres. (Stefanie Keenan / Wireimage)
