SECRETIVE: Zoe Saldana

Zoe wants privacy!      Avatar star Zoe Saldana recently got betrothed to her boyfriend keith Britton, who she has been with for 10 years. The 32-year-old actress is said to be 'thrilled' about tying the knot.        S source says, "They've been together forever. They're a great couple." But another source added that she is quite a private person and many a time she doesn't even introduce her man as 'her' man.       The source says, "She doesn't even introduce him as her fiance. She will just say, 'This is keith.' She likes to keep herself and wants people to focus on her only as an actress. She wants to get married soon, but is still too busy with work to concentrate on making wedding plans."