birthday party

i wanna have bitrhday party for my friends soon.
i have 3 friends who gonna be 24 and 25 years old in this month.
miki, akiko and yuko!
i really love them!
yuko is 9 months pregnant now. she gonna be a mother soon!!!
i asked her that we wanna celebrate miki and akiko's birthday at a cafe.
but i didn't told her i wanna do it for her.
maybe she is sad now....(sorry yuko...)
but i told miki, akiko and another friends that we gonna have b-day party for yuko, miki and akio, and i wanna surprise Yuko!!

but i am afraid i can't do it.....

really can i do??
i hope!!!