Sunny Leone, Uday Chopra in Plank Off Competition

Uday Chopra (right) challenged Sunny Leone (left) with an image of himself in the midst of a planking exercise.

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. After Sunny Leone tweeted an image of her doing plank exercise, Uday tweeted: "I thought I did tough planks but that's another level. Pure core strength"

Actor-producer Uday Chopra challenged actress Sunny Leone to a planking exercise.

The duo started off with a discussion over exercises and planks on Twitter, 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.

Sunny tweeted:

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

And Prashant replied:

@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:

@SunnyLeone @prashantsixpack dayum! I thought I did tough planks but that's another level. Pure core strength!!!
? Uday Chopra (@udaychopra) March 3, 2016

Sunny then said that one feels great after the exercise.

Yup I was dying! But I feel great after so I guess that's what matters. Thanks lol https://t.co/xFnX38RZFv
? Sunny Leone (@SunnyLeone) March 3, 2016

Taking this as an opportunity, the Dhoom 3 actor proposed a planking competition.

@SunnyLeone Ya I feel like that too. On that note...I'm going to go to the Gym now. We can have a plank competition at some point
? Uday Chopra (@udaychopra) March 3, 2016

@SunnyLeone @prashantsixpack challenge accepted! I went a step higher (literally) your turn #PlankOff pic.twitter.com/h5Qoka1lIK
? Uday Chopra (@udaychopra) March 3, 2016

In response to Uday, Sunny tweeted:

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