Justin Theroux 'Happy' With Jennifer Aniston

Actor and screenwriter Justin Theroux saw his level of fame catapult from industry regular to tabloid coverboy when he began dating Jennifer Aniston, whom he met while filming the upcoming comedy Wanderlust. But Theroux, 40, who previously dated New York stylist Heidi Bivens for 14 years, remains doggedly opposed to letting his newfound popularity harm either himself or his relationship with Aniston.

When pressed for details, Theroux kept mum. "I understand the curiosity, but other than saying I am happy, I am not going to indulge it," he told New York Magazine. "That's building your own torture device."

But Aniston is not the only girl in Theroux's life. There's also Sophie — a three-month-old boxer-pitbull mix ."She's the most adorable little cookie you've ever seen," Theroux said. "She looks like she just smoked an exploding cigar."

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