Denzel Washington
The actor casually photobombed a New York couple's wedding in March 2021 when he just happened to be filming his upcoming movie nearby with Michael B. Jordan.
Lil Nas X
The rapper crashed a wedding in Disney World in February 2020 and escorted the bride into her reception!
Tag Stars
Jon Hamm, Ed Helms, Jeremy Renner and Jake Johnson unexpectedly crashed a wedding reception in Miami Beach during the Best Man's speech!
Orange Is the New Black Stars
In March 2018, Lea DeLaria (Big Boo), Australian actress Yael Stone (Lorna Morello) and Danielle Brooks (Taystee) crashed a female couple's wedding in Australia.
Tom Hanks
Best wedding pictures ever? If ever marrying in the Big Apple, prepare to see Forrest Gump himself running through Central Park!
Katy Perry
The "Chained to the Rhythm" singer totally made this Missouri-based bride and groom's special day that much more special.
Amy Schumer
Photobomb alert! The Trainwreck star was happy to pose for snapshots while making her way through New York City in 2016. Talk about a Kodak moment.
Taylor Swift
Technically the pop star was invited, but she did surprise the bride and groom with a performance of "Blank Spaces" and that's pretty sweet in itself.
Beyoncé
Queen Bey took a break from vacationing in Portofino, Italy in 2014 to make this lucky lady's day!
Maroon 5
Honey, cancel the DJ. Adam Levine and his band just showed up!
John Travolta
Danny Zuko, turned... wedding crasher? Perhaps this duo's first dance was to "You're the One that I Want" after posing for photos with the A-lister.
Serena Williams
That oh-so casual moment when you're exchanging vows and one of the greatest athletes of all time happens to be soaking up the sun just a few feet away.
Robert Pattinson
It's the luck of the Irish! R. Patz was in Belfast, Ireland filming The Lost City of Z when he ran into these two.
Kristen Stewart
The Twilight alum and Stella Maxwell unexpectedly joined the post-wedding festivities of two brides in Canada.
Justin Timberlake
Hey J.T., can we get a picture? What about a song or two?
Justin Bieber
Can't you imagine Biebs leading the electric slide? In 2011, the singer and then-girlfriend Selena Gomez did exactly that.
Macklemore
Mom knows best! The "Thrift Shop" rapper documented his experience partying with wedding guests in Washington D.C. on social media.