The Hollywood stars were the guests of honour at the glitzy New York ceremony hosted by bosses at U.S. magazine Self.
Singer/actress Hudson was recognised for the Julian D. King Gift Foundation, a charity that hands out toys to needy children. She founded the organisation in memory of her seven-year-old nephew Julian after he was murdered in 2008.
Meanwhile, Mad Men beauty Hendricks was praised for her fundraising for the Make-A-Wish Foundation, which helps sick children see their dreams come true.
The 4th Annual Women Doing Good Awards celebrated women who are changing the world for the better.