Red dress draws attention, smile keeps it

I don't imagine many photographers could stand idly by while this young woman walked past. The bright red dress, the large purple sunglasses, both work to attract attention. But it's the smile that keeps the attention and says don't miss this.

I didn't.

Cheers,
Rockinon

Addendum: pictures that work because of a smile are usually best when we can see the eyes, eyes with bright catch lights. This smile has enough sparkle to be successful all on its own.