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Beyoncé and Jay-Z - In 2014, the power couple crashed a wedding ceremony in Portofino, Italy. They were on vacation and couldn't resist walking into the small church where they took a few pictures with the bride.

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Lady Gaga - Gaga crashed a wedding in Australia. She took pictures and even bought a round of drinks!

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Queen Elizabeth II - A couple who was getting married at Manchester Town Hall, wrote a letter to Queen Elizabeth II, inviting her to the ceremony. Guess what? She showed up at the commoners wedding!

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Brad Pitt - In 2013, Brad Pitt crashed a wedding reception at a hotel in Berkshire, England.

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Channing Tatum - Imagine having a birthday party for your little girl, when all of a sudden, the actor and his daughter join in. This is exactly what happened back in 2015.

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Robert Pattinson and Katy Perry - In 2013, the two stars crashed a wedding at a ranch in Montecito, California.

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John Travolta - Travolta crashed a wedding once in 1977 with fellow actor Robin Williams, and then again, on his own, in 2013.

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Taylor Swift - In 2016, the singer crashed a wedding ceremony and sang for the bride and groom.

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Justin Timberlake - In 2016, the singer crashed a wedding in New Hampshire, US.

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Barack Obama - What happens when you get married at San Diego's Torrey Pines Golf Course? Well, you could bump into Obama, who will definitely come around and say hi!

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Katy Perry - The singer crashed a 5-year-old’s birthday party dressed as a clown. The kids weren't happy.

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Bradley Cooper - The actor was visiting his old college, Georgetown University, when he stumbled across a couple of newlyweds taking photos. Of course, he joined them!

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Dwayne "The Rock" Johnson and Danny DeVito - The actors crashed a wedding in Mexico and even sang a version of 'Unforgettable' for the bride and groom.

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Meryl Streep - In 2012, the actress crashed a wedding in Manchester dressed as Margaret Thatcher. She was shooting 'The Iron Lady' at the time.

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Tom Hanks - In  2016, the actor was jogging in New York's Central Park when he spotted a wedding. Of course, being the nice guy that he is, he stopped and took a few pictures with the couple.

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Ed Sheeran - Ed Sheeran also crashed a wedding and performed. The surprise was organized by an Australian radio show. The singer then posted a photo on Instagram.

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Usain Bolt - Arguably one of the fastest men in the world, took his time to crash a wedding in Paris.

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Amy Schumer and Judd Apatow - A newlywed couple were having a few drinks at a pub in Dublin, Ireland, when they were joined by these two. They even sang a couple of songs!

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Serena Williams - The tennis star crashed a wedding at a beach in Miami, Florida. And yes, she was wearing a swimsuit.

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Destiny’s Child - In 2014, Beyoncé, Kelly Rowland, and Michelle Williams crashed a karaoke party in Miami.

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Drake - In 2016, Drake crashed a teen's Bat Mitzvah, and performed a song!

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Bill Murray - The actor is a bit of a professional party crasher. He has crashed birthday parties, bachelor parties, karaoke nights, and engagement photo shoots.

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Eric Stonestreet and Jesse Tyler Ferguson - The actors, who play Cam and Mitch in 'Modern Family,' once crashed a frat party.

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Gerard Butler - In 2014, the heartthrob crashed a bachelorette party in Sydney, Australia. What a pleasant surprise!

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Justin Bieber and Selena Gomez - In 2011, while walking along Malibu beach, the then-couple heard one of Bieber's songs being played in a building nearby. That was a good enough reason to join the wedding.

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Kevin Hart and Josh Gad - What would be more appropriate than crashing a wedding, while shooting a movie about weddings? This is exactly what these two did in 2015. They even gave a speech!

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Chris Hemsworth - In 2018, a newlywed couple was taking photos at Byron Bay, Australia, when Thor showed up.

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Rod Stewart - Can you imagine if Rod Stewart crashed your wedding and serenaded you and your spouse? This is what he did for a couple in Las Vegas.

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Jeremy Renner - In 2015, the actor crashed a wedding, but apparently the guests were not impressed.

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DMX - The rapper crashed a party bus in New York City and partied with the groom and the boys.

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Emilia Clarke and Nathalie Emmanuel -

If these two had to crash a wedding, it would have to be a 'Game of Thrones'-themed one. And that is exactly what happened!

See also: Hilarious celebrity wedding mishaps

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