Meet Matthew Perry, the adorable Chandler from Friends .
Look at his smile…
Strange, this way of smiling without showing your teeth, no?
Matthew Perry always smiled like that, because he was a little self-conscious about his front teeth, which weren’t perfectly aligned.
But in 1998, before signing for the romantic comedy Three to Tango ( One Too Much in French), the Warner studio required him to have his smile redone to make it sexier.
What he did.
And since then, he smiles like this: