Watch the official video for Justin Bieber's 2010 hit song "Baby," in collaboration with Ludacris. This video has both been YouTube's most watched, and most disliked video of all time. Enjoy.

From their sixteenth album "Emergency," released in 1984, here is American band Kool and the Gang with their hit "Fresh."

Beyoncé performs "Single Ladies (Put a Ring on It)" live in Central Park as part of the Good Morning America 2011 Summer Concert Series.

Red simply doesn't want to wake up for school! David struggles to get him out the door, but there is something important that he is forgetting...

British singer Ellie Goulding visits radio station 104.3 MYfm in Los Angeles to deliver an exclusive live performance for a few lucky listeners.

From time to time, we give celebrities a chance to read some of the mean things people tweet about them. We extended that same offer to our Commander in Chief, who happily agreed. This is an all President Obama edition of #MeanTweets.

"Roxanne" is a song by English rock band The Police. Written by lead singer and bassist Sting, the song was released as a single from their debut album Outlandos d'Amour. It was written from the point of view of a man who falls in love with a prostitute.

Steve Skaith sings "The Men Below," a song about a mining strike in England in the 1980s.

If you don't feel like putting the time and effort into baking a whole cake, then try the fantastically fun and simple Two Minute Mug Cakes! All you need is a microwave, a mug, and a few ingredients, and you have an instant treat to enjoy on your own or to make for your best friends!

"Just Give Me a Reason" is a song recorded by American singer and songwriter Pink, featuring Nate Ruess of the band Fun. It is a pop ballad about the desire to hold on to a relationship even when it appears to be breaking down.

American adult animated sitcom "Family Guy" has been nominated for and won many awards. In this scene, Peter brings home an unexpected new pet for the family.

"Shake It Off" is a song recorded by American singer-songwriter Taylor Swift for her fifth studio album. It is an uptempo dance-pop track that signified a departure from her earlier country-influenced pop.

Dido is a multi-platinum British singer and songwriter. The single “White Flag" is one of her best known songs.

Join Minoo and Rachel, who each have their own YouTube channel devoted to improving English pronunciation, as they come together to compare British and American English pronunciation.

Walk the Moon is an American pop rock band assembled by singer Nicholas Petricca. "Shut up and Dance" was their first major hit.