Serena Williams, 42, is almost unrecognizable as she sports  prescription glasses and goes make-up free for casual outing in Paris

Serena Williams kept it casual as she stepped out in Paris Thursday.

The superstar, who revealed she turned to a skin-tightening treatment for her tummy after welcoming her second daughter, skipped the haute couture, and opted for some relaxing athleisure wear for her walk around the city.

The 42-year-old streamlined her look in a pair of black joggers with a matching hoodie.

She showcased her natural beauty, wearing little to no makeup behind a pair of dark framed glasses.

Her long, blonde hair was styled in waves and pulled back in a side ponytail.

Serena Williams kept it casual as she stepped out in Paris Thursday. The superstar skipped the haute couture, and opted for some relaxing athleisure wear for her walk around the city

Serena Williams kept it casual as she stepped out in Paris Thursday. The superstar skipped the haute couture, and opted for some relaxing athleisure wear for her walk around the city

The Grand Slam champ added fun pops of color with purple sneakers and a pink billed hat. 

The Wyn Beauty founder traveled to the City of Lights after enjoy Fashion Week in Milan with her sister Venus, 44. 

Williams will share the highs and lows of her illustrious career in the upcoming docuseries In The Arena: Serena Williams.

The eight-part series will explore 'the pivotal moments in Serena’s life on and off the court,' according to the TriBeCa Film Festival announcement prior to the show's premiere in New York June 13. 

The program will illustrate 'the series of steps that when reflected upon, show the incredible distance traveled over the course of her career,' 

'I think it's a good opportunity for people to see the other side,' she told Style Culture TV.

'I think most people see the grand slam wins and the holding up the trophy,' she explained. 'I want people to take away the appreciation of what happened before the trophy went up, and all the work and all the real memories of what was going on behind the scenes' she explained.

'I've had so many amazing memories,' the Olympic gold medal winner stated.

The 42-year-old streamlined her look in a pair of black joggers with a matching hoodie with purple sneakers. She showcased her natural beauty, wearing little makeup behind a pair of dark framed glasses

The 42-year-old streamlined her look in a pair of black joggers with a matching hoodie with purple sneakers. She showcased her natural beauty, wearing little makeup behind a pair of dark framed glasses

The star is seen with husband Alexis Ohanian in 2022

The star is seen with husband Alexis Ohanian in 2022

Williams will star in an eight-part docuseries about her legendary career. In The Arena: Serena Williams will debut July 10 on ESPN+

Williams will star in an eight-part docuseries about her legendary career. In The Arena: Serena Williams will debut July 10 on ESPN+

'That's why Serena in the arena is eight episodes, because we couldn't narrow it down to one memory.'

The tennis great offered a small spoiler alert, revealing episode four of the show is 'very emotional. It talks a lot about my comeback and a lot of things that I was going through behind the scenes.'

Williams retired from the court in September 2022, almost a year before giving birth to her daughter Adira, who was born in August 2023. She and her husband, Alexis Ohanian, 41,  are also parents to Alexis Olympia, six. 

In The Arena: Serena Williams debuts on ESPN+ July 10.