The theme of the wedding was said to be "Beauty and the Beast" and guests entered the ceremony to the tune of "Be Our Guest" playing.
Venus Williams, sister of Serena, had been seen Wednesday night leaving the museum, while the parking side of the building was filled with tents and trucks unloading flowers, tables, rugs, costumes, and musicians.
And on September 1, Serena gave birth to a girl named Alexis Olympia Ohanian Jr.
Image caption The roads were closed around the wedding venue in New Orleans
The nuptials were thought to have cost more than $1 million, and a street was said to have been closed off outside the Arts Center.
The couple announced their engagement in December past year after dating for 15 months.
In the lead up to her big day, Williams - who scoped out New Orleans venues in October with Ohanian and their Yorkshire Terrier, Chip - stayed busy with a raft of social and wedding events.
"We're so glad she found happiness".
"We love it. She has the class". It remains to be seen whether it's at the Australian Open, which begins on January 15, and she is the defending champion. "Little baby Alexis is so precious", said Mary Huber, who was among a small group who took a break from work to observe the hectic scene. Serena and Alexis got married at the 10,000-square-feet Contemporary Arts Center in New Orleans in front of a slew of celebrity guests.
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