David Dobrik stops by to talk about his firsts, from his earliest memory of the Vlog Squad, to the first prank he ever p...

K-pop star Amber Liu sits down to talk about her firsts, including some of her very first memories with f(x). Credits: h...

"My first pet is Pie, he's my cat — I'm not sure if he's my pet or if I'm his pet." Credits: https://www.buzzfeed.com/bf...