Sideshow: Paul Walker crash details

The Los Angeles County coroner has officially ruled Paul Walker's Nov. 30 death an accident. According to a report released Friday, the Fast and Furious star was a passenger in the Porsche Carrera GT driven at more than 100 miles an hour by his friend Roger Rodas when the car went out of control "for unknown reasons."

After hitting a tree and a lamp, "the vehicle was almost split in half . . . the majority of the vehicle was also charred" in the blaze that followed. Walker, 40, was found "charred and in a pugilistic stance." Neither man was intoxicated.

The Real World: San Diego '04 alum and fledgling actor Jamie Chung, 30, has become engaged to One Tree Hill's Bryan Greenberg, 35, People says. . . . Party of Five child actor Lacey Chabert, 31, is all grow'd up! "I'm starting 2014 as a Mrs!" she tweeted Friday. The lucky groom? "my best friend and love of my life," says Lacey in lieu of actually naming him. . . . Demi Moore, 51, and her young buck paramour Sean Friday, 27, were photographed sharing romantic times Friday in Mexico. . . . "My wife is one of the smartest, funniest people I know," Steve Carell, 51, tells Closer Weekly of spouse Nancy Walls.

 Prince William is headed to Cambridge for a 10-week agricultural management course, but he doesn't deserve to be there! The Guardian newspaper claimed the royal's grades aren't good enough for admission to the elite university. "Cambridge should be ashamed," huffed the newspaper.

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