Editors at the publication have recognised 10 celebrity mums, who have used their fame to make a difference - and both Bullock and Jolie have made the cut.
Bullock, who adopted baby Louis in New Orleans, Louisiana in 2010, was saluted for her disaster relief efforts and The Salt beauty, who is a parent of six, was applauded for her tireless efforts as a United Nations Goodwill ambassador.
Actress Jennifer Garner, who recently welcomed her third child, was feted for her works to promote literacy, Madonna was selected for her educational push in her adopted daughter's native Malawi, and both Jenny McCarthy and Holly Robinson-Pete received nods for raising autism awareness.
Also scooping mentions were singer Gwen Stefani, models Gisele Bundchen and Christy Turlington.
