if you're watching wnbc 4 in new york, see the mysteries of the great lakes and discover the lakes untold stories at the american museum of natural history. that's your eastern event of the day, lynn. >> better stay indoors today, bill. stay warm. >>> now here's a look at this morning's headlines in entertainment. hyped as the film of the decade, "avatar" now actually has the chance to be the film of the decade. with $68 million, "avatar" posted a third straight number one weekend. it shot past the $1 billion mark, the fifth movie to pass that threshold ever. that makes director james cameron the only filmmaker to produce two movies topping $1 billion. number two was robert downy jr. thriller" sherlock holmes." and third is "alvin and the chipmunks: the squeakquel." . $157 million after just ten days. finally, she started the decade with a stunning fashion statement wear that transparent green chiffon dress. tongues are still wearing after her bizarre fashion statement to end the decade, a less than flattering sheer sparkling body suit performing there in 2009 square on new year's eve. hm