After less than a year of dating, Ryan Reynolds and Blake Lively tied the knot in an intimate ceremony Sept. 9, 2012, at Boone Hall Plantation in Mount Pleasant, S.C., just outside of Charleston, People magazine reported. Florence Welch, of Florence and the Machine, performed three songs, and a cake was driven down from Virginia for the wedding, the report said.
Reynolds has pulled off a low-key wedding before. With fewer than 40 guests on hand, Reynolds married Scarlett Johansson on Sept. 27, 2008, at a wilderness resort near his hometown of Vancouver. The event was kept largely under wraps, with guests enjoying fishing, mountain biking and horseback riding far from the paparazzi.
Matthew McConaughey popped the question to his girlfriend of six years, model Camila Alves, on Christmas Day 2011. The two kept plans for their wedding under wraps, getting married on a sprawling Texas estate during a June 9 secret ceremony featuring vows they whispered into each other's ears.
The day after taking his company public in an historic IPO, Facebook founder Mark Zuckerberg married longtime girlfriend Priscilla Chan during a May 19, 2012, backyard ceremony at what guests thought was a party to celebrate her graduation from medical school.
Just as they did with their six-year dating relationship, Beyonce and Jay-Z took the same hush-hush approach with their April 4, 2008, nuptials. The pair got married in Jay-Z's posh Manhattan apartment with a guest list of about 30 people.
Mariah Carey used the subterfuge of allegedly filming a music video to keep her April 30, 2008, wedding to Nick Cannon a secret. The two got married in a beach ceremony at her Bahamian estate on Windermere Island with about 12 guests attending.
Megan Fox and former "Beverly Hills, 90120" star Brian Austin Green got hitched in a June 24, 2010, secret ceremony in Hawaii. A local priest performed the ceremony on the beach with the only guest being Green's 8-year-old son Kassius.
After more than eight years together, Harrison Ford and Calista Flockhard tied the knot on June 15, 2000, at the Santa Fe home of former New Mexico Gov. Bill Richardson. Richardson also presided over the ceremony, with New Mexico Supreme Court Chief Justice Charles W. Daniels supervising.
Javier Bardem began dating then co-star Penelope Cruz in 2007, although the couple kept a low public profile. The couple were married in July 2010 at a friend's house in the Bahamas, with Cruz's representative telling The Associated Press that the ceremony was a small one featuring only family members.
Ben Affleck and Jennifer Garner have kept their courtship low-key since meeting on the set of "Daredevil" in 2002. They also managed to keep their June 29, 2005, wedding at the Parrot Cay Resort on the Turks and Caicos Islands a secret until after the fact, refusing to even confirm their engagement beforehand.
Natalie Portman and ballet dancer Benjamin Millepied met during the filming of "Black Swan," on which Millepied was the choreographer. The couple got married in a private ceremony sometime in early 2012, with word of their new marital status leaking out in late February.
Jessica Alba and Cash Warren had perhaps the simplest wedding ceremony ever in Hollywood, ducking into the Beverly Hills courthouse on a Monday -- May 19, 2008, to be exact -- with no guests except for staff who filed their marriage license paperwork. Alba's brother didn't even find out about the marriage until US Weekly called him for a comment.
Following two years of dating, Matt Damon and Luciana Bozan Barroso were married in a private civil ceremony at the Manhattan Marriage Bureau in New York on Dec. 9, 2005. The only attendee was Bozan's 7-year-old daughter, Alexia, from a previous marriage.
Most of the guests for Julia Roberts' 2002 nuptials with cameraman Danny Moder thought they were attending a Fourth of July barbecue at Roberts' Taos, N.M., ranch. Instead, they watched the two get married in an informal wedding ceremony that began around midnight.
Jennifer Lopez and Marc Anthony followed the lead of the Roberts-Moder nuptials, inviting unsuspecting wedding guests to Lopez's Beverly Hills home for an "afternoon party" on June 5, 2004. Lopez didn't even officially confirm the marriage until February 2005.
Gwyneth Paltrow and Chris Martin got married with no fanfare at a hotel in Santa Barbara, Calif., in December 2003. The wedding was so hush-hush that not even Paltrow's mother, actress Blythe Danner, attended the ceremony.
After four months of dating, actress Renee Zellweger and country star Kenny Chesney surprised friends with news of their May 2005 marriage in the Caribbean. The marriage, which would last only 128 days, was made official in front of just 35 guests.
Diane Lane and Josh Brolin exchanged vows in an understated sunset ceremony on Brolin's ranch north of Los Angeles on Aug. 15, 2004. Among the 70 guests were maid of honor Elizabeth Perkins, Brolin's stepmother Barbra Streisand and dad James Brolin.
Despite repeated denials they were even engaged, New England Patriots quarterback Tom Brady and supermodel Gisele Bundchen got married in a tiny ceremony in Santa Monica, Calif., on Feb. 26, 2009.
Grammy-winning singer Alicia Keys and record producer Swizz Beatz were married in a secret ceremony on July 31, 2010, with Deepak Chopra conducting the ceremony on the French island of Corsica.
Britney Spears is no stranger to secret weddings, having married childhood sweetheart Jason Alexander on a whim in Las Vegas in January 2004. Her wedding to dancer Kevin Federline wasn't much bigger. After word leaked out about their plans for a lavish ceremony in October 2004, they instead were married in front of 27 guests in the Studio City, Calif., home of their wedding planner on Sept. 18, 2004.
Perhaps the original "party-turned-surprise-wedding" belonged to Sarah Jessica Parker and Matthew Broderick, who invited 100 guests to a party at New York's Angel Orensanz Synagogue in 1997. Guests only learned they were attending the couple's wedding after they arrived.
James Bond star Daniel Craig married actress Rachel Weisz (seen here in 2011's "Dream House") in an ultra-private ceremony in New York City on June 22, 2011. The wedding featured just four guests: Craig's 18-year-old daughter, Weisz's 4-year-old son (with "Black Swan" director Darren Aronofsky) and two family friends who acted as witnesses.
"True Blood" co-stars Anna Paquin and Stephen Moyer wed at a private Malibu, Calif., residence on Aug. 21, 2010, in front of several guests, including Elijah Wood and "True Blood" co-star Carrie Preston.
Actress Kate Winslet and director Sam Mendes had a total of four guests at their May 24, 2003, wedding on the Caribbean island of Anguilla: Winslet's daughter Mia (with former husband Jim Threapleton) and three friends.
Vince Vaughn and Canadian real estate agent Kyla Weber, seen here at a Chicago Blackhawks game in May 2010, met at a 2009 wedding and before too long were engaged. Although their engagement was no secret, they did keep their wedding ceremony small and private, getting married in front of a few friends and family on Jan. 2, 2010, at the Great Hall of the historic Armour House at Lake Forest Academy in Vaughn's hometown of Lake Forest, Ill.
What was supposed to be the engagement party for country singer LeAnn Rimes and actor Eddie Cibrian ended up actually being the couple's wedding. The pair surprised 40 of their closest friends and family members with their April 22, 2011, at a private home in California.
The wedding between Death Cab for Cutie front man Ben Gibbard and actress Zooey Deschanel was so under-the-radar that it wasn't until the week after the Sept. 19, 2009, ceremony that word leaked out about the marriage, and then only after Deschanel's publicist confirmed a question from People magazine.
Former "Friends" star David Schwimmer married part-time photographer Zoe Buckman, who he met in 2007 while filming a movie in London, in an intimate, private ceremony in June 2010. The actor's rep confirmed the marriage to People magazine months later.
Johnny Knoxville, seen here in 2010 with his wife, Naomi Nelson, and daughter, Madison, married Nelson in a small ceremony in Los Angeles on Sept. 24, 2010. The couple picked out her engagement ring two days before the wedding.
Actor Orlando Bloom and Victoria's Secret model Miranda Kerr married in a small Los Angeles ceremony just one month after announcing their engagement on June 21, 2010.
Claire Danes and Hugh Dancy, who met on the set of the 2007 drama "Evening," secretly tied the knot in a quiet ceremony in France in early September 2009.
Actress Anna Faris married "Parks and Recreation" star Chris Pratt met on the set of the movie "Take Me Home Tonight" in 2007. The couple wed on July 9, 2009, in a small ceremony in Bali.
Actress Carey Mulligan married Mumford & Sons front man Marcus Mumford in a super-secret ceremony in a barn on a working farm in Somerset, England, on April 21, 2012.
Country singer Shania Twain married Swiss businessman Frederic Thiebaud in a romantic New Year's Day oceanside ceremony in Puerto Rico in 2011.
Ashlee Simpson and Pete Wentz were married in an intimate ceremony at her parent's home in Los Angeles in May 2008 with her family performing the ceremony.
Mandy Moore wed rocker Ryan Adams in a secret eight-minute ceremony on March 10, 2009, at Whitefield Chapel at the Bethesda Home for Boys on the outskirts of Savannah, Ga.
Alanis Morissette married rapper Mario "MC Souleye" Treadway on May 22, 2010, in an intimate ceremony in their shared Los Angeles home. The couple kept word of their nuptials under wraps for a couple weeks before it leaked out.
Valerie Bertinelli married financial planner Tom Vitale on Jan. 1, 2011, in an intimate ceremony at their Malibu home in front of 100 guests.
Late-night talk show host David Letterman married his longtime girlfriend Regina Lasko in a quiet courthouse civil ceremony in Choteau, Mont., on March 19, 2009. Letterman announced the marriage during the tapping of his show four days later, shortly after congratulating Bruce Willis for getting married the previous week.
Former "Dawson's Creek" star James Van Der Beek tied the knot with his pregnant girlfriend, Kimberly Brook, on Aug. 1, 2010, n a small ceremony at the Kabbalah Center near Dizengoff Plaza in Tel Aviv, Israel. The actor announced his new marital status in a Twitter posting.