Celebrity weddings are a big deal – there's all the juicy details about the dress, the guests, the price tag. Some people spend hours poring over glossy magazines just to make sure they don't miss anything.  So when a celebrity just up and reveals they married when no one was looking, it's a bit of a shock to the system.
Here are the 20 weddings that shocked the world.
1. Amy Schumer and Chris Fischer
Did you hear? Amy Schumer got secretly married to a chef and cookbook author named Chris Fischer.2. Angelina Jolie and Brad Pitt
Remember when Angelina Jolie and Brad Pitt said they wouldn't get married until there was gay marriage and then broke their promise?3. Kate Bosworth and Michael Polish.
When actress Kate Bosworth decided to get married to writer and director Michael Polish, no one knew.4. Blake Lively and Ryan Reynolds
Did you know that the man also known as Deadpool was already married? He and wife Blake Lively got married in a very hush hush ceremony September 2012.5. Gisele Bundchen and Tom Brady
The supermodel and super-athlete had two secret weddings back in 2009. The first was in a small Catholic Church in Santa Monica, California, and the second was at the couple's vacation home in Costa Rica.6. Zoe Saldana and Marco Perego
Did you even know Zoe Saldana is married? Turns out she is, to Marco Perego, an Italian professional soccer star turned artist whose works can command over $30,000 a pop.7. Mila Kunis and Ashton Kutcher
Pretty much everyone expected Mila Kunis and Ashton Kutcher to get together. And then they did. The That 70's Show alums, who met on the set of the show when Kunis was only 14 and Kutcher was a fresh-faced 20, dated on and off for years.8. Jennifer Aniston and Justin Theroux
America's Sweetheart got married and nobody knew! In August 2015, the pair shocked everyone when they got married in a top secret wedding in their backyard.9. Mary-Kate Olsen and Olivier Sarkozy
Mary-Kate Olsen and her husband Olivier Sarkozy were adorably flirty during date night! https://t.co/QtA4f72G6i https://t.co/RDvxerCQBC— Entertainment Tonight (@Entertainment Tonight)1510383619.0
10. Margot Robbie and Tom Ackerley
Just as the world got to know Margot Robbie, we found of she was married. The Suicide Squad actress married producer and assistant director Tom Ackerly in a wedding so secret guests didn't even know the location.11. Allison Williams and Ricky Van Veen
When Girls actress Allison Williams married CollegeHumor co-founder Ricky Van Veen, she made sure to keep the wedding top secret.12. Benji Madden and Cameron Diaz
13. Jay-Z and Beyonce
The reigning king and queen of pop culture got married in a private ceremony in the groom's Manhattan apartment.14. Agyness Deyn and Giovanni Ribisi
Agyness Deyn and Giovanni Ribisi end their marriage after two-and-a-half years http://t.co/8UlqwPeuRI http://t.co/HTrhFb7w2t— HELLO! (@HELLO!)1422969304.0
15. Kerry Washington and Nnamdi Asomugha
5 things to know about Kerry Washington and husband Nnamdi Asomugha's love: https://t.co/q9UATskEFb https://t.co/Ke7qWorhAQ— ESSENCE (@ESSENCE)1515350405.0
16. Leighton Meester and Adam Brody
17. Olivia Palermo and Johannes Huebl
Fashion blogger and model Olivia Palermo married fellow model Johannes Huebl in secret and only broke the news via instagram in June 2016.18. Neil Patrick Harris and David Burtka
Neil Patrick Harris (@ActuallyNPH) Has Pics From Italian Wedding, Calls Out George Clooney http://t.co/9LcSycJ5yo http://t.co/119JioiP8Q— TheWrap (@TheWrap)1412069212.0