Serena Williams in the gym.Photo:Serena Williams/Instagram

Serena Williams gym selfies

Serena Williams/Instagram

Serena Williamshas her gym selfies down to a science.

On Tuesday, the tennis pro posted a series of mirror photos onInstagramduring her workout. The 42-year-old joked that she’s often spending half of her time getting the right angle to look slim.

“I spend 50% of my time in the gym taking selfies,” she wrote. “Trying to get that perfect angle, that angle that makes me look snatched 😫. Well I found that angle so don’t look at me sideways when in person I’m a tad thicccker lol 😂”

“😂 I know the feeling! 🙌🏾 🔥” one person wrote while another added, “The greatest athlete of all time is just like us trying to find the angle 😍😂”

Another follower commented, “😂snatch away! You always look absolutely gorgeous regardless.”

Serena Williams in the gym.Serena Williams/Instagram

Serena Williams gym selfies

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories.

Williams has been trying to get back into the gym sincewelcomingher second daughterAdirain August with her husbandAlexis Ohanian. The couple is also parents to 6-year-old daughterOlympia.

In October, the seven-time Wimbledon champion shared aphotoon Instagram that showed her working on her ab muscles in the gym alongside her daughter.

“Olympia watching me try to get my ab muscles working again. Here comes fitness!” she captioned the post.

Serena Williams working out while pregnant.Serena Williams Instagram

Pregnant Serena Williams Works Out to Red Hot Chilli Peppers in Gym Selfie Video

Serena Williams Instagram

“Just done some cardio and then I’m going in for some legs,” Williams told the camera while slapping her thigh. “Leggo!”

The next video showed the tennis legend, in black bicycle shorts and a sports bra, picking up and tossing around a medicine ball before she swung it side to side to work her legs, along with squats.

TheRed Hot Chili Peppers' song “Under the Bridge” played in the background before Williams returned on a pink mat in the following video, with 4 Non Blondes' song “What’s Up?” on.

source: people.com