This is schadenfreude at its finest! Check out this video of Demi Moore "dancing" on stage with Snoop Dogg and husband Ashton Kutcher, during a recent Las Vegas concert. If Moore had a day job, she should stick to it.

Tonight brought us the season finale of Shaq Vs., a show in which Shaquille O'Neal issues challenges to celebrities. This time, it was O'Neal vs. tween sensation Justin Bieber. Video of their dance-off—and O'Neal rapping at Bieber's concert—inside.

Beyoncé says that, "A diva is a female version of a hustler." Well, she can take the "female" part out, because this boy is certifiably F-A-B-U-L-O-U-S. Watch as he—plus his fierce outfit/trusty pink sheet—dances like it's nobody's business.

Dancers from Project Bandaloop, a San Francisco dance troupe specializing in being totally nuts and dancing on the side of buildings hundreds of feet in the air, visiting the Thanksgiving Tower in Dallas today. Click for video and more pics.

Cats like a lot of things: watermelon, peanut butter, the spotlight, and so on. But who knew that they also liked asses, and—specifically—shaking asses? Watch as a girl gets her freak on, exciting her kitty to no end.

This isn't something you see every day: a video of a man in a Stormtrooper costume—plus his two little, computer-generated comrades—dancing to an instrumental, electropop version of "Singin' In The Rain." The force is strong with these ones.

This geriatric diva was sampling some music at her local Wal-Mart recently and, luckily, someone recorded it. She moved a bit for Etta James' "At Last," but when Lady Gaga's "Just Dance," came on, she really got freaky. Video inside.

Survivor's "Eye of the Tiger" has been given an update for the new millennium in this music video in which a band plays the entirety of the song on their different iPad applications for keyboards, drums, and guitar.

This ad for motor oil won't make you to buy more oil, but it will make you wonder how mechanics spend their time while you wait for some maintenance or repairs to be done.

If you like Pizza Hut and girls breaking out in a choreographed dance routine for no reason then South Korea may be the place to be. Caution, the pizza may be hot so please be careful when dancing.

Kabbalah leader Philip Berg had a birthday party in Tel Aviv, and someone put video of it on YouTube. Watch "the Rav" and his followers get jiggy to a Madonna song about blowjobs and other Kabbalah-approved tunes.

Here's a lost VHS that Jazzercise founder Judi Sheppard Missett probably wishes never made it to YouTube. The three ladies trim their waistlines while they sing "Move your Boogie Body" by the Bar-Kays completely a cappella. That's some interesting cardio!

YouTube user IcySpicyLeoncie makes a music video for one of her "songs" by green screening herself into some of the most random locations with the weirdest outfits (not to mention her voice which can only be described as... interesting).

The YouTube description for this video reads, "Like anyone at a rave, he's either really feeling the music, or he's got rabies." Regardless, though, this dog knows how to pop, lock and drop it like a true pro. Video inside.

What is it about dancing in front of video cameras that so attracts men in uniform? Get down with your bad self, anonymous Swedish policeman. (Note: Do not attempt anything similar in the U.S., where you will be arrested.) [Reddit]

It's no secret that there are few things funnier than white people teaching hip hop. Watch as this woman shows us not only how to move, but the true fundamentals of being hood.

Do you want to be the one everyone turns to in their time of need? Look no further than the Dancing Sasquatch Guy to see how to be a successful leader of your band, spaceship or cult!

A talent show closed out last night's Psych and Dulé Hill's Gus performed a show-stopping tap routine. As a bonus, Timothy Omundson also joined in the dancing fun.

These young lads from Beantown have go he extra mile in showing their love for Ke$ha's Take It Off. Watch as they take their song and dance to their apartment, the club and to the streets.

Celebrate Friday by dancing to the first computer-produced dance battle in a movie! From the film Lambada, the herald of the digital music nerds rocks his comp-sci class with help from an Apple II and a dancin' stick figure.