The 42-year-old tennis legend, who gave birth to her daughter Adira less than four months ago, draped her enviably trim post-baby body in a stylish black gown.

Sharpening her unmistakable features with makeup, she added a splash of dazzle to the look with jewelry including necklaces and earrings.

Serena Williams turned up the glam factor when she were spotted heading to a star-studded Art Basel party Miami alongside her husband Alexis Ohanian

Venus Williams, arriving at the same party, was the image of elegance in a sleek black dress that was perfectly fitted to emphasize her athletic figure

Alexis cut a much more casual figure as he trailed along just behind her, wearing a black t-shirt and matching jeans with a dog-tag-style pendant.

Venus meanwhile was the image of elegance in a sleek black dress that was perfectly fitted to emphasize her athletic figure.

Wearing her black hair down in silken curtains, the 6’1″ tennis star lent herself a bit of added stature by balancing on a towering pair of stilettos.

Venus and Serena joined a star-studded guest list that included such unmistakable figures as Cindy Crawford and Rande Gerber, plus Ivana Trump and Jared Kushner.

Serena declared her retirement from tennis last year, but Venus, despite being the elder sister, has not yet decided whether she will step back from the court.

However, Venus has embarked on side projects, including a new jewelry collection she created in collaboration with the New York goldsmith brand Reinstein Ross.

‘I wanted to create jewelry that people would love to wear,’ she wrote on Instagram last week upon the launch of their Diamond Match Collection.

‘Life is about feeling good, loving what you do and where you are in the moment, and jewelry is the exclamation mark on that!’

Serena and JR attend the VIP preview of Art Basel Miami Beach at the Miami Beach Convention Center on December 6

Serena announced Adira’s birth in August with a family TikTok, while Alexis ecstatically broke the news on his Instagram page (pictured)

Meanwhile, Serena is settling into life as a mother of two, raising little Adira alongside six-year-old Olympia.

Serena announced Adira’s birth in August, posting a heartwarming family TikTok that provided the first-ever public glimpse of her new baby.

She also went public with the name, a Hebrew word whose various translations include ‘noble,’ ‘powerful’ and ‘majestic.’

‘Welcome, Adira River Ohanian,’ Alexis proudly wrote on his own Instagram after Serena announced the baby’s birth on TikTok.

‘I’m grateful to report our house is teaming [sic] with love: a happy & healthy newborn girl and happy & healthy mama,’ the tech mogul rhapsodized.

‘Feeling grateful. @serenawilliams you’ve now given me another incomparable gift — you’re the GMOAT. Thanks to all the amazing medical staff who took care of my wife & our daughter. I’ll never forget the moment I introduced @olympiaohanian to her baby sister,’ Alexis continued.

He closed on a biblical note, quoting the Book Of Isaiah: ‘Your peace would have been like a river, your well-being like the waves of the sea.’

Serena and Alexis tied the knot at a star-studded New Orleans ceremony in November 2017, two months after Olympia was born.