It's one of those natural laws of showbiz - they see a camera, they mug for it. Some celebrities show off a little more than others but all of them pose like a boss.
This is what happened in the Vine video booth at the IIFA awards in Florida two weekends ago.
It takes Deepika Padukone a moment to catch up with the camera
Sridevi looks slightly bewildered
Malaika Arora Khan doing a Munni
Bipasha Basu is her own biggest fan
Milkha Singh shows why there's only one real Flying Sikh in town
Aditi Rao Hydari thinks she's at a photoshoot
Hrithik Roshan doing something cool and starry
Vivek Oberoi and wife Priyanka are actually quite adorable
What Kevin Spacey thinks off as Bollywood dancing
Ranveer Singh being, well, Ranveer Singh
Riteish Deshmukh missing his wife and making heart shapes
Sonu Sood thinks he's James Bond
It's contagious. Even the Mayor of Tampa has been infected
All videos posted on Vine by IIFA