Keerthy Suresh calls Samantha Ruth Prabhu `unstoppable`

While superstars like Allu Arjun, Rashmika Mandanna and several others recently gave a shoutout to Samantha on their Instagram stories for `Shaakuntalam`, `Dasara` star Keerthy Suresh called the `Yashoda` star `unstoppable` as she praised during a `Ask Me Anything` session on Instagram