White!
white it goes with everything
A White shirt with a colored or classic black tie. If the entire suit is white, the tie is where you can have fun with color. Don't worry about the shirt:)
Probably black shirt because black looks good with pink. For the tie, maybe dark or light grey with a little darker design? The colour of the suit seems to say that the even might be more happy, light and cheerful? If so, maybe no tie. But grey would be a great colour with the black shirt and pink suit.
blue
Black shirt, orange tie.
Blue! Or pink
Pink will be nice
Navy blue color tie will be the best one for blue color suit.
I would wear a yellow or pink tie
umm let me think dockers and a nice belt
white
White or black