Dance For My Quinceanera

Ok well im already 15 but im having my quinceanera next year when i turn 16 because my aunt died not to long ago and it wouldnt be right if we had gone a head and done it with my uncle being all sad about her death so we are having it next year when i turn 16, and im having it in Mexico cuz its better to get damas and stuff over there..and well i went to Mexico not to long ago and i was lookin at the dresses and they are some that caught my eye and stuff..but lik now i have 2 problems..my first one is that, I dont really know how to dance the first dance all the quinceaneras do and i dont really know how to slow dance..but i know how to dance hip-hop,urban,and reggaeton..but that wont really help lol..and i know they teach u the dance b4 your quinceanera but im still kinda worried..can anyone help??
And well my second problem is that I already picked my escort (chambelan) he is my mom`s cousins son which kinda makes him my cousin in a way..so yeah i had already told him that i wanted him to be mi chambelan and he was cool about it and they have him workin out and getting buff now...but now that i went to mexico not to long ago..I met this guy named Junior..thats what they call him and he is real coo and nice and i kinda lik him and now i kinda want him to be my escort (chambelan) but now if i tell my mom that i want Junior as my escort or chambelan and not Eric she is gonna be like *well u picked Eric* and he is lik all excited about it and im like wow ..what do i do?? So i need help on those 2 things!!!!!!!!! PLEASE REPLY BACK!!ASAP!!!!!!!!!