Sunny Leone, Uday Chopra in plank contest

Actor-producer Uday Chopra challenged actress Sunny Leone to a planking exercise on Thursday.Taking to the micro-blogging website Twitter, the duo started off with a discussion over exercises and planks when Uday challenged Sunny with an image of himself in the midst of a planking exercise at the gym.

The Twitter conversation started with Sunny and her trainer Prashant.

While Sunny tweeted: “Hardest plank I do with prashant six pack for 1min, form is important, don't hurt yourself!” Prashant responded to her tweet and wrote: “Sunny Leone you have got two more extra points for this plank. Thanks for support.”

Hardest plank I do w/ @prashantsixpack for 1min Form is important,don't hurt urself!2nd pic u see how difficult :) pic.twitter.com/WTYD9NF3z3

— Sunny Leone (@SunnyLeone) March 3, 2016

Haha a plank off? Not sure I would survive but I have a feeling @prashantsixpack would be game to time it... https://t.co/SXbbR65L4R

— Sunny Leone (@SunnyLeone) March 3, 2016

@SunnyLeone you have got 2 more extra point for this plank.. Thanks for support..

— prashant sawant (@prashantsixpack) March 3, 2016

Following the conversation, Uday expressed his admiration and posted: “Sunny Leone, Prashant six pack dayum! I thought I did tough planks but that’s another level. Pure core strength!” Sunny then said that one feels great after the exercise.

Taking this as an opportunity, the “Dhoom 3” actor proposed a planking competition.In response to Uday, Sunny tweeted: “Haha a plank off? Not sure I would survive but I have a feeling prashant six pack would be game to time it."