Dating After A Spouse Dies: How Long To Wait?

Liam Neeson was spotted cuddling up to his movie co-star Laura Brent recently at the London premiere of The Chronicles of Narnia: The Voyage of the Dawn Treader. The pair smiled for the cameras as Neeson embraced Brent from behind.

Neeson had been married to Natasha Richardson for 15 years before she suffered a brain injury in 2009 during a skiing accident in Canada and passed away shortly after.

What is the proper etiquette for dating after a spouse dies? Is a year the socially acceptable length or does it depend on how long the pair have been married? Leave me your thoughts!