Celebrity couple Shahid Kapoor and Mira Kapoor nailed the viral Internet video trend 'Gravity Challenge' on Sunday. After the Ice Bucket and Mannequin Challenge, here came another video trend that is going viral on social media.

The #GravityChallenge is spreading like wildfire on social media with more and more couples joining in to complete the challenge. The challenge comes as a battle between men and women upon who is stronger. Many couples have been trying this and on a larger scale, where most women are able to beat them in this challenge. But, the case with Bollywood'sSasha' is not similar.