A Mad Max/Kimmy Schmidt Mash-Up, Justin Bieber Solves a Rubik’s Cube, and More Viral Videos

5. Unbreakable Imperator Furiosa

Do not proceed with this video until you’ve seen Mad Max: Fury Road. Two reasons: first, because it’s completely bonkers; second, because this mash-up of footage from the movie with the opening credits to Tina Fey’s sitcom Unbreakable Kimmy Schmidt—starring Charlize Theron’s Max character, Imperator Furiosa—otherwise won’t be as funny. Trust us.

4. Michelle Obama’s Workout

As part of her “Let’s Move” initiative, First Lady Michelle Obama proves once again that she’s the FLOTUS with the mostest, as she pumps some iron, jumps rope, and kickboxes as part of her workout routine. Don’t mess with Mobama; she packs a killer roundhouse kick.

3. Taylor Swift: Action Star

Taylor Swift employed the help of Joseph Kahn, director of the recent Power/Rangers reboot short that everyone wants to be feature-length, to helm her latest video, “Bad Blood.” Co-starring Selena Gomez, Lena Dunham, and too many other badass ladies to list, Swift and Gomez square off in an action-packed pyrotechnic extravaganza that references almost all of your favorite sci-fi movies.

2. Justin Bieber Can Solve a Rubik’s Cube!

Never mind that Justin Bieber went cruising around L.A. in a car with Late Late Show host James Corden, singing karaoke to his own songs. Justin Bieber can solve a Rubik’s Cube! In under two minutes! It makes one wonder what other hidden talents he has.

1. Letterman’s Celebrity Top Ten List

For his final show, David Letterman handed off his final top-ten list to celebrity pals, including Alec Baldwin, Tina Fey (in pants, as promised), Barbara Walters and Jerry Seinfeld. Worth a watch for Julia Louis-Dreyfus’ line if nothing else.