Serena Williams and her fiancé, Reddit co-founder Alexis Ohanian, just introduced their daughter Alexis to the world. The reaction to this year’s Australian Open co-champion and her parents brought out the social media love from all corners.

New mom and former world No. 1 Victoria Azarenka expressed her love.

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Wimbledon champion Garbine Muguruza took note of the milestone.

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Actress Gabrielle Union felt like dancing.

Proud papa Ohanian had a special message for the leading ladies in his life.

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Novelist Terry McMillan, who knows strong female characters as evidenced by her books Waiting to Exhale and How Stella Got Her Groove Back, was excited by little Alexis.

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The tennis media, too—like Nick McCarvel—were touched.

Broadcaster Cari Champion was joyful.

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Writer Merlisa Lawrence Corbett noted the genius of the new arrival’s name.

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And each of the Grand Slams tweeted out their congratulations to the player who’s treated their venues like a home away from home to the tune of 23 majors.

From the Australian Open…

To the French Open.

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Wimbledon knows how to make a baby feel welcome.

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Williams’ home Slam is ready to greet the family with open arms.

Follow Van on Twitter: @Van_Sias