Kate Beckinsale STUNS In Sports Bra Gym Straddle

Kate Beckinsale/Instagram

Kate Beckinsale blew the competition out the water all over again this weekend. The "Underworld" actress proved that at 46 years old, she's still got the body of a 20-something, taking to Instagram with an energetic and somewhat wild photo of herself checking out some new gym equipment.

Kate's post also mentioned the man behind her killer gym body – the British beauty trains with celebrity trainer Gunnar Peterson. Gunnar is known for training the likes of Khloe Kardashian and Angelina Jolie.

Kate Beckinsale/Instagram

Kate's photo showed her in a gym with yellow and white-painted walls. The brunette was right in the action, seen clinging onto a ceiling bar and wrapping her strong legs around a black punchbag that was hanging from a rail.

Kate was dressed for the part. The actress was flaunting her ripped frame in a tiny white sports bra, also rocking a high-waisted pair of black leggings with sheer paneling. Kate also wore black-and-white sneakers.

It was muscles galore, Kate's trademark agility, and a reminder of her fierce strength.

"@gunnarfitness has decorated his gym with all the things he especially likes," Kate captioned her shot.

Fans checking Kate's Instagram feed on Saturday may have found themselves a little confused. The post went live around 5 p.m. Eastern Time, but it didn't appear to stay live for long. Perhaps the actress regretted it, perhaps she'll be reposting it.

Regardless, fans who did catch it were likely grateful for yet another reminder of the star's fierce gym body.

Kate's workout body has proven a talking point of late, particularly with the actress fronting Women's Health magazine for its January/February cover. The feature released its interview with Kate back in December 2019.

Kate Beckinsale/Instagram

Kate's feature with Women's Health gave her a chance to open up about her health and fitness philosophies. Kate revealed that she consumes zero stimulants – that's a no to coffee or alcohol.

“I think some people’s systems are just a bit sensitive to things. If you told me you had nausea yesterday, I might start throwing up myself," Kate said.

“If I ate too much dark chocolate, it would be like someone else taking cocaine," she added, possibly hinting at a cheat food.

Gettyimages | Frazer Harrison

While Kim Kardashian is making headlines for announcing that she's meat-free and plant-based, Kate appears to have done the reverse. Speaking to Shape, the star admitted that vegetarianism wasn't for her.

"I was a vegetarian for a really long time because I am incredibly squeamish about meat. But when I was filming Pearl Harbor, I didn't have enough energy, and the trainer I was working with at the time said ‘You've got to start eating chicken and fish,'" she told the magazine.

Kate then gave up being meat-free.