10:43 p.m. ET: Tonight on Nightline- Cynthia McFadden investigates the seedy underbelly of Backpage.com's sex classfieds…. we get to know some elusive fishing cats… and try to dissect why people love to sing Gotye's "Somebody I Used To Know". Tune in at 11:30!

 10:02 p.m. ET: Pizzashirt. 'Nuff said.

Pizzashirt.net

9:58 p.m. ET: Are you following @CynthiaMcFadden? She'll be live-tweeting all during her special investigation into Backpage.com's sex classifieds, airing at 11:30 tonight!

9:01 p.m. ET: Moooom you're so embarassing!!

Jason Merritt/Getty Images

Chaz Bono accepting his 2012 GLAAD award with a conspicuously-coiffed Cher.

8:13 p.m. ET: Dinner cravings, grilled cheese and fried egg sandwiches… courtesy of Bon Appetit Magazine.

7:41 p.m. ET: It's the song that's been stuck in the head of almost every American for the past few weeks… it seems like 'Somebody I Used to Know' is everywhere! First there was the cover.… then, the parody of that cover… Nightline will have the scoop tonight.

7:02 p.m. ET: Tonight, "Nightline" anchor Cynthia McFadden brings us an incredible investigation into the world of young girls being sold for sex on Backpage.com, a classified listing websites.

"I made my pimp about over $30,000 and I got nothing out of it," said Megan, who is just 17. "The most I've gotten is a pair of heels."

Read more HERE, and then watch the full story tonight.

4:30 p.m. ET: In this photo taken today, Mount Etna, Europe's tallest and most active volcano, is shown spewing out lava.  Located in Catania, Italy, the volcano has the longest period of documented eruptions in the world.

Credit: Angela Platania/Zuma Press

3:12 p.m. ET: The U.S. Department of Agriculture released a statement saying that they confirmed a case of mad-cow disease in central California. Read the full statement HERE.

1:23 p.m. ET: In Owsley County, Ky., the county with the lowest median household income per capita in the country, residents gathered together to put on a high school prom.

In this photo, Brittany Brewer tries on her gown for the Owsley County High School prom next to a wood stove in the home where she lives with her grandmother, April 21, 2012 in Booneville, Ky.

Credit: Mario Tama/Getty Images

11:51 a.m. ET: On this primary day, all eyes are on… Delaware? Yes. Delaware.

Politico reports that while Delaware isn't much of a battleground state, if Newt Gingrich can pull an upset there, he could drain momentum from Mitt Romney's campaign.

10:45 a.m.ET: Valeria Lukyanova, 21, from Ukraine, underwent plastic surgery to look like a real-life Barbie. Her figure is striking:

Credit: Facebook

9:47 a.m. ET: Is today opposite day? Denver is sweating in bizarre 92-degree temperatures, while New York City is bundling up on this blustery 49-degree morning.

By the way, that Nor'easter that just came through churned up the biggest snowstorm this late in a season in more than 80 years, dumping 2 feet of snow in western Pennsylvania.

Credit: Todd Berkey/The Tribune-Democrat/AP Photo