E! Online reports that the family left Cedars-Sinai Thursday night and are headed to an undisclosed L.A. home.
Kim K gave birth Saturday at Cedars, five weeks before her due date.
"There's a great sense of relief," an insider told E!. "Everyone is very happy for her, and Kim is relieved [because] this was a very stressful time.” The source added that Kim is loving being a mom and already very good at it.
Kim Kardashian, boyfriend Kanye West and their baby girl North West have left the hospital where little Nori was born.