Here's what's being talked about in pop culture on the last day of 2012:
• Singer Justin Bieber offered his prayers after a "tragic accident" in which a photographer was run over and killed New Year's Day while pursuing Bieber's sports car (when Bieber wasn't even in it) on L.A.'s Sepulveda Boulevard. [Los Angeles Times}
• In another New Year's Day car accident, former "American Idol" winner Kris Allen and his wife Katy suffered minor injuries. In the aftermath, though, Allen let it slip on Twitter that Katy is pregnant. [Entertainment Weekly]
• Want to see something really cool? Look at this concept art for the next four Pixar movies. [Vulture]