The 33-year-old American won 6-4 6-4 on Centre Court to claim her 21st Grand Slam title and third of 2015.
Williams withstood a late fightback from 20th seed Muguruza to come through in one hour and 23 minutes.
This lady is a monument of strength and inspiration, and just keeps breaking records. Enjoy the proceeds of your hard work, my hero!
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