Nicole was seen arriving home after picking up some food at Subway in Hollywood, on February 23.
Miss Richie looked super comfortable in her striped hoodie, purple sweatpants and Lanvin flats.
After seeing Nicole's baby bump, friends of Nicole and Joel have expressed their excitement for the couple. Paris Hilton told press:
"I’m so excited for Nicole".
Paris's mom, Kathy Hilton, said:
"I think it’s going to be a boy. I’m never wrong."
"Chuck" star Zachary Levi commented:
"I think that they’ll be a good unit to hopefully bring up their kids in a way where they are stand-up individuals who lead their generation into being a good one."