I know that 16 is diez y seis (dee-AY-Z-SAY-S) but I do not know how to say sweet.
Sweet sixteen is not an expression that translates into French. It is an English idiom.
Dos mil dieciseis. (two thousand sixteen) In English one might say 2016 as twenty sixteen. In Spanish it is always said two thousand sixteen.
I would go with "Alexis's sweet sixteen"
dieciseissixteen (16) = dieciséis
Tengo dieciseis anos
dieciseissixteen (16) = dieciséis
With the 3S prefix to your serial number,I can say that your browning sweet sixteen was made in 1963.
When You Were Sweet Sixteen was created in 1898.
You can tell her how much she means to you, how much she has impacted you in sixteen years , and you can share a memory.
say your name is tom cruise
娘盛り (musume zakari)
Sweet Sixteen is the light weight model.