Australian Cast of The Lion King - Circle of Life
According to Disney on Broadway, in their description of the video, the Australian cast of The Lion King was so excited about the launch of the Brisbane season that they couldn't help but share their joy.
Jason Segel and Neil Patrick Harris - The Confrontation from Les Miserables
We are already missing How I Met Your Mother! At least we have Jason and Neil's singing chops to keep up company.
Michael Bublé - Who's Lovin' You
Michael surprised commuters by performing this song off his album "To Be Loved" acapella at a NYC Subway stop, alongside the group Naturally 7.
Macklemore and Ryan Lewis - Can't Hold Us
This performance may have been filmed as a promo for the Grammys, but those NYC bus passengers had no clue this was coming!
Will Smith - Fresh Prince of Bel-Air
After all the blockbusters he's starred in, Will Smith will forever be known as the Fresh Prince of Bel-Air! He sings the intro song like it was just yesterday.
Jessie J - Price Tag
Jessie J stopped by the Times Square Subway stop to do a boombox rendition of her hit song "Price Tag."
Anchorman 2 Cast - Afternoon Delight
At the Sydney premiere of Anchorman 2, the cast decided to treat their audience to a little "Afternoon Delight" sing-a-long.
B.O.B. - Airplanes
What better place to perform the song "Airplanes" than in the air? None! B.O.B. sang to his fellow flight passengers, even if singing into that little phone was a bit difficult at times.
What's your fave surprise musical performance? Let us know @sofeminineUK!