
Jessica Biel refuses to talk about her romance with Justin Timberlake.
The actress, 26, has been dating the singer, 27, since January 2007.
But she has vowed to keep their relationship under wraps.
'It's the one part of my life that is my own and not for anyone else,' Jessica says.
And, as Christmas approaches, she insists having Justin is the best gift of all.
'[Our relationship is] one sparkly present,' Jessica tells GQ magazine.
'And I don't want to open it in front of strangers.'
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