How do say " Happy Chinese New Year"?

OMG! I hear this said in different way, but the more I learned the more I missed something. Here is the break do of what I have learned.

Standard New Year Greeting - Kung Hei Fat Choy (Congratulations and Prosperity). Should be the first word out of your mouth when greeting friends and family or anyone for that matter. http://www.reddit.com/r/HongKong/comments/oe3bt/chinese_new_year_etiquette_for_the_uninitiated/

Definition: 恭喜發財! Chinese greeting for Chinese New Year.

Pronunciation: gōngxǐ fācái

Also Known As: 新年快樂 (Xīnnián kuàilè)

http://chineseculture.about.com/od/thechineselanguage/g/Chinese-For-Happy-New-Year-Chinese-New-Year.htm

The simplest of ways to show your well wishes for a prosperous new year is to say "gong xi fa cai" -- which means loosely "congratulations and prosperity." http://goasia.about.com/b/2012/01/20/say-happy-new-year-in-chinese.htm

 Chinese (Cantonese)Gung hay fat choy (a New Year greeting meaning, "May you become prosperous.")
Sun nien fai lok (meaning, "Happy new year")

Chinese (Mandarin)Xin nian yu kuai
http://www.enchantedlearning.com/calendar/newyear.shtml

What do I say? Gung hay fat choy