Nongpanee Mahadthai, performing under the stage name Ja R-Siam, is a Thai, singer and model. Ja graduated from Rajamangala University of Suvarnabhumi. Ja is well known for her 2011 single cover, "Kan Hoo", the singer became a subject of heated debate last years over her lewd dance moves and risque puns. Though most of her success as a recording artist has been in Asia, Ja has also gained popularity in... see more