NEWS

Rob Kardashian Breaks a Sweat Working Out Hard With Sisters Khloe and Kourtney -- See the Pics!

by Antoinette Bueno 10:54 AM PDT, November 04, 2016
Photo: Snapchat

Rob Kardashian is learning a thing or two about fitness from his super in-shape older sisters, Khloe and Kourtney Kardashian.

Both Khloe and Kourtney Snapchatted their younger brother while he was hard at work exercising alongside the two of them on Thursday. Kourtney, 37, and Khloe, 32, are already frequent workout partners.

The trio worked out together outdoors with a trainer, using ropes, weights, boxing gloves, and jump ropes.

WATCH: Khloe Kardashian Shares Insane Ab Workout -- 'If I Can Do It, You Can Do It'

"Today's torture," Kourtney joked.

Photo: Snapchat

Clad in a white T-shirt and black pants, Rob sweated alongside the mother of three, who flaunted her trim stomach in a black sports bra and leggings.

Photo: Snapchat
Photo: Snapchat

Of course, Khloe killed it too, rocking a black sweater to maximize her sweating.

Photo: Snapchat

Rob, 29, has openly struggled with his weight over the past few years. Last month, he vowed to "snap back" with his pregnant fiancee, Blac Chyna, after their baby girl arrives.

"Oh yeah we snapping back lol," he captioned a pic of both himself and Chyna in noticeably slimmer days. "Baby will be here in 4 weeks and I'm done with carrying this pregnancy weight."

... We're glad to see him putting in the effort!

WATCH: Kourtney Kardashian Shows Off Her Amazing Body on Workout Date With Kylie Jenner

On Thursday, Khloe made an appearance on Jimmy Kimmel Live!, and said she thinks her brother will make a wonderful father to his first child.

β€œRob has so many traits like my dad, so I think he's gonna be great with a baby," Khloe said. "I'm sure he's nervous. I think any new dad should be."

Watch below:

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