From Wikipedia, the free encyclopedia. Lauren Lapkus (born September 6, 1985 height 5 10 (1,78 m)) is an American actress best known her main role as Dee Dee in the NBC sitcom Are You There, Chelsea? and as Susan Fischer in the Netflix original series Orange Is the New Black. She has also made guest appearances on such television shows as Jimmy Kimmel Live!, The Middle, and Hot in Cleveland. Lapkus was born in Evanston, Illinois, and graduated from DePaul University in 2008. After living in New York City for a little over a year, she moved to Los Angeles in 2010 to pursue an acting career.