Wearing an Alberta Ferretti crop top and bold striped maxi skirt, Richie kept her hair, makeup and jewelry simple to let her elegant ensemble shine.
Baby2Baby distributes essential supplies for children up to age twelve through a network of 50 nonprofit organizations.
"We take the basic necessities for granted, but for many families, it's a serious struggle," she said. "This is one way to ease the financial burden, and help new babies have a good start in life."
Richie was joined by her husband of three years, Joel Madden, at the Culver City event.
Celebrity Families of 2014 [PHOTOS]