Colin Jost Opens Up About Son Cosmo's Relationship with Scarlett Johansson's Daughter Rose: She's a 'Loving Sister'

Hannah Sacks, a writer for PEOPLE, has been with the company since May 2023. Colin Jost shared about his family life with wife Scarlett Johansson and their children, 3-year-old Cosmo and Johansson's 10-year-old daughter Rose.