Guests included celebrity trainer AJ Johnson, Jenn Streicher, Laini Reeves and Theron’s mother Gerda Martiz.
Johnson shared a couple of photos from the event on Instagram writing, “An afternoon of love, laughs and friendship celebrating a special piece of my [heart] #EmilyBlunt with hostess with the mostess @charlizeafrica #CharlizeTheron.”
Blunt, 33, and Krasinski, 36, have yet to reveal the sex of their new baby. In January, the actress’s rep confirmed to PEOPLE that the couple were expecting their second child.
— Karen Mizoguchi