How to say "you have a lovely smile" in latvian?

Hi, could anyone help me please? If i wanna say to a girl that she has a lovely smile. How do you say it in latvian?

Thank you in advance!

Jums ir jauki smaids

Liels paldies! But why "smaids"? Isnt it "smaida" when i talk to a girl? Sorry i just started learning latvian.