Jaden Smith -- Multi-Million $$$ Pay Out for 'Karate Kid'

He's only 12 years old -- but last year, Jaden Smith pulled in SEVEN FIGURES to star in " Karate Kid " ... TMZ has learned. TMZ obtained Jaden's "KK" contract from June 2009 -- back when he was only 10 -- and according to the docs, his up-front fee was… Read more