We didn't see some of these coming. Comb through some of the most surprising music video cameos in recent memory.
Who knew Alexander Skarsgard and Lady Gaga were pals?!? The former showed up in the latter's video for "Paparazzi."
Yup, that's him. This is taken from Arcade Fire's video for "We Exist."
Remember Bennifer? Ben Affleck appears in J. Lo's video for "Jenny from the Block."
Ben Stiller and Diddy?!? Yup, the actor appeared in the video for "Bad Boy for Life."
Chris Messina and Dianna Agron
The Mindy Project star and Glee star stopped by Sam Smith's video for "I'm Not the Only One."
We all adore Christopher Walken. He made a cameo in 2001 in the Fatboy Slim video for "Weapon of Choice."
Wait! There's more Celebrity Music Video Cameos! Just click "Next" below: