David Duchovny entered rehab after his addiction to online pornography spiraled out of control, it has been reported.

The "X-Files: I Want to Believe" star - who announced last week he is voluntarily seeking treatment for his sex addiction - spent endless hours surfing X-rated sites on the internet, according to a friend.

Tea Leoni has pulled out of her scheduled appearance at the Toronto International Film Festival.

The cancellation, confirmed by Tea's representative, comes after Tea's husband David Duchovny - with who she has two children - checked into a rehabilitation center to receive treatment for his sex addiction.

David Duchovny is seeking treatment for his sex addiction. The former "X-Files" actor - who has two children, nine-year-old Madelaine West and six-year-old Kyd with wife Tea Leoni - confirmed he has entered a rehabilitation clinic in a bid to cure his problem.

David's lawyer Stanton Stein released a statement Thursday in which the actor said: "I have voluntarily entered a facility for the treatment of sex addiction. I ask for respect and privacy for my wife and children as we deal with this situation as a family."

"X-Files" film star David Duchovny has checked into a rehab facility to cure his addiction to sex, he confirms.

Duchovny, 48, ironically plays an oversexed writer on Showtime series "Californication." He even won a Golden Globe Award for Best Actor in a TV Comedy or Musical in 2007.

Winona Ryder is reportedly dating comedian Tom Green.

The "A Scanner Darkly" actress, who is said to have split from Rilo Kiley rocker Blake Sennett just a few weeks ago, was seen cuddling Tom in Hollywood's Crown Bar last week.