"Smile" in French is "sourire."
Senyum manis
sourire beat
To smile -> Sourire
un beau sourire
un sourire mignon
You can say "J'aime sourire" in French to mean "I like to smile."
Sourire simple doux
tu m'as fait sourire
de raisons de sourire
To say whenever look at the picture smile in Frenchsouriez lorsque vous regardez les photos
It depends on who you're telling it to. Say you look nice or you look lovely or you look beautiful. Or you can just say you look pretty or can smile and be happy with him.