This is so sad.
Serena Williams‘ dog Jackie died on Tuesday morning, the tennis superstar revealed on social media.
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The 16-year-old dog had been with Serena nearly her entire life, so the bond was incredibly strong between the two.
The athlete shared the news, along with adorable pics of the pup on Instagram, writing (below):
Awwww!! She was such a beautiful and sweet-looking little girl.
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Our thoughts go out to Serena and the rest of her family — both humans and her two other pups — during this very difficult time.
[Image via Serena Williams/Instagram.]