Tennis star Maria Sharapova announced that she is pregnant with her first child.

The five-time Grand Slam tennis champion made the announcement on Instagram Tuesday. 

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"Precious beginnings!!!," Sharapova wrote. "Eating birthday cake for two has always been my specialty."

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FILE - In this Jan. 21, 2020, file photo, Maria Sharapova makes a forehand return to Donna Vekic during their first round singles match at the Australian Open tennis championship in Melbourne, Australia. (AP Photo/Lee Jin-man, File)

FILE - In this Jan. 21, 2020, file photo, Maria Sharapova makes a forehand return to Donna Vekic during their first round singles match at the Australian Open tennis championship in Melbourne, Australia. (AP Photo/Lee Jin-man, File)

Sharapova, who retired from tennis in February 2020, delivered the news on her 35th birthday.

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She announced her engagement to Alexander Gilkes in December 2020.

The Associated Press contributed to this report.