David Hasselhoff in LMFAO's "Sorry for Party Rocking"
The Hoff makes a brief cameo in the video for this LMFAO classic.
Tom Hanks in Carly Rae Jepsen's "I Really Like You"
The actor made more than a camero—he is the star of the clip, which was filmed in New York City and also features Justin Bieber.
Spencer Pratt in Fall Out Boy's "I Don't Care"
The former The Hills star was one of Fall Out Boy's many celebrity cameos in their music video for "I Don't Care."
Pharrell Williams in Fall Out Boy's "I Don't Care"
A second celeb cameo in "I Don't Care" was former The Voice coach, Pharrell Williams.
Macaulay Culkin in Michael Jackson’s “Black or White”
In 1991, the Home Alone star made a cameo in the King of Pop's video, which promoted diversity and acceptance.
Jennifer Lopez in Janet Jackson’s “That’s the Way Love Goes"
Before J.Lo became an A-lister, she was found in this pop song's video in 1993. Thank you Ms. Jackson for introducing the world to the amazing Jenny from the block!
Liv Tyler in Aerosmith's "Crazy"
Here's a father-daughter cameo! Tyler's then teenage daughter appears in this 1994 video all about being wild and having fun!
Angelina Jolie in The Rolling Stones "Anybody Seen My Baby"
Just picture Jolie as a stripper running away from Mick Jagger and you've got this 1997 music video pretty much summed up.
Zooey Deschanel in The Offspring's "She's Got Issues"
This 1998 video shows the New Girl star as she goes through a normal workday.
Eva Mendes in Will Smith’s “Miami”
Before acting in Hitch together, Mendes made a cameo in Smith's 1998 song. She drives a convertible while her hair whips in the wind, looking like the typical bombshell that she is.
Mila Kunis in Aerosmith’s "Jaded"
The song features the band playing in the lobby of the Los Angeles theater in 2000 with flashes of the That '70s Show star mixed in.
Channing Tatum in Ricky Martin's "She Bangs"
Tatum was apparently always super hot as he shows up in Martin's popular music video in 2000, it was the Magic Mike actors first dancing job as well!
Kim Kardashian-West in Fall Out Boy's "Thnks Fr Th Mmrs"
Back before Kim was the star of her own reality show, the mogul played Pete Wentz's love interest in Fall Out Boy's "Thnks Fr Th Mmrs" video.
Ben Stiller in P. Diddy’s “Bad Boy for Life”
Stiller isn't the only celebrity showing up in this video released in 2001. Actor Richard Dunn, rappers Ice Cube and Snoop Dogg, boxer Mike Tyson and basketball players Shaquille O'Neal and Baron Davis also cameo. Talk about a famous cast!
Jennifer Love Hewitt in Enrique Iglesias’ “Hero”
Iglesias plays an honorable criminal hunted by his enemies in this 2001 song, with the Criminal Minds actress playing his leading lady.
Ben Affleck in J.Lo’s “Jenny from the Block”
I'm still, I'm still Jenny from the block! And we're still reeling over this former power couple with Affleck appearing in J.Lo's hit back when they were still dating in 2001.
Mischa Barton in Incubus' "Warning"
In 2001, Barton appeared in the band's music video. She has also been in music videos with Enrique Iglesias and James Blunt.
Pamela Anderson in Kanye West’s “Touch the Sky”
West portrays daredevil Evel Kanyevel in this $1 million music video featuring the Baywatch babe. The 2006 video is the 25th most expensive music video.
Katy Perry in the Gym Class Heroes "Cupid's Chokehold"
Perry was dating Travie McCoy, lead vocalist for the group, at the time when she appeared in this 2006 music video.
Kesha in Katy Perry's "I Kissed a Girl"
Kesha was always a party girl as she made an appearance in the "Dark Horse" singer's 2008 music video.
Scarlett Johansson in Justin Timberlake's "What Goes Around... Comes Around"
Johansson, of course, brings the sexy in this steamy video from 2006.
Jake Gyllenhaal in Jamie Foxx's "Blame It"
BET's No. 1 music video in 2009 has appearances from stars including Gyllenhaal, Ron Howard, Forest Whitaker, Samuel L. Jackson, Quincy Jones and LeToya. Now that's a party!
Leighton Meester in Cobra Starship's "Good Girls Go Bad"
The Gossip Girl actress shows her wild side in this video filmed in an underground speakeasy in 2009.
Jake Gyllenhaal in Vampire Weekend's "Giving Up the Gun"
This 2010 video tells the story of a tennis player competing in a tournament whose opponent is none other than the Donnie Darko actor. Gyllenhaal, are you up for a rematch anytime soon?