Check out V's post about it for more details:
"Lovebugs!! I have a special treat for you... Starting today, use the code "VHFAN1" when you buy your GIGI on Broadway tickets online and receive a fan discount. This is good for all performances thru July 5th (except May 22nd & 24th). See you all in NY!
http://www.ticketmaster.com/Gigi-NY-tickets/artist/2081003"