Garbine Muguruza turned 24 on Sunday, celebrating a year that's already been more than memorable. The Spaniard won her second career Grand Slam at Wimbledon and reached the No. 1 spot for the first time. She also took home the hardware in Cincinnati.

Muguruza celebrated her birthday with an adorable throwback photo.

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Though she's not in action this week, she was the first woman to qualify for the WTA Finals in Singapore.