ET's got your look at Chelsea Clinton and Marc Mezvinsky on their wedding day -- including the details behind Chelsea's bridal fashion! Chelsea's show-stopping wedding gown was designed by Vera Wang, a family friend. Marc's tuxedo, as well as former President Bill Clinton's tie were designed by Christopher Bailey at Burberry, a good friend of the couple's. The mother of the bride, Secretary of State Hillary Clinton, wore a gown designed by her friend, famed designer Oscar de la Renta.

Former first daughter Chelsea Clinton has married longtime boyfriend Marc Mezvinsky! The nuptials took place Saturday evening at the lavish Astor Courts estate in Rhinebeck, New York, where the couple exchanged vows before hundreds of guests. Clinton's famous parents -- former President Bill Clinton and current U.S. Secretary of State Hillary Clinton -- were by their daughter's side for the "I Dos." The proud parents released the following statement to ET: "Today, we watched with great pride and overwhelming emotion as Chelsea and Marc wed in a beautiful ceremony at Astor Courts, surrounded by family and their close friends. We could not have asked for a more perfect day to celebrate the beginning of their life together, and we are so happy to welcome Marc into our family. On behalf of the newlyweds, we want to give special thanks to the people of Rhinebeck for welcoming us and to everyone for ...

Chelsea Clinton's star-studded nuptials are underway right now at the exclusive Astor Courts estate in Rhinebeck, New York. Read on for more... The bride-to-be arrived at the wedding site earlier Saturday morning, followed by her famous mom's arrival at 5:10 p.m. EST. A presidential motorcade was making its way to the location about one hour ago, and we're told that the V.I.P. passenger aboard was none other than Chelsea's dad, former President Bill Clinton. Check back here for the latest wedding developments, including the pronouncement of "Husband and Wife"!

A presidential motorcade is on its way to the site of Chelsea Clinton's nuptials, and we're told that the V.I.P. passenger aboard is none other than Chelsea's dad, former President Bill Clinton. A police official also tells us that Hillary Clinton arrived at the wedding site, Astor Courts, around 5:10 p.m. EST, while bride-to-be Chelsea got there early this morning. Keep checking back here for the latest as the countdown to Chelsea's wedding continues!

With Chelsea Clinton and Marc Mezvinsky's wedding expected to get underway in about two hours, their guests are on the go aboard party busses, and we’ve got the details. At 4:45 p.m. EST the party busses arrived at a security check point en route to Astor Courts, the scenic Hudson River estate where the nuptials are expected to take place. On Friday, Astor Courts was reportedly ramping up its wedding preps by installing two helicopter landing pads on its grounds.

ET is on the ground in Rhinebeck, New York -- where Chelsea Clinton is expected to get married Saturday evening -- and we've got the 411 on famous faces spotted out around town! Big names sighted on Saturday so far include Ted Danson and wife Mary Steenburgen, wedding dress designer Vera Wang, and longtime Clinton political allies including former Secretary of State Madeleine Albright, former Democratic National Committee Chairman Terry McAuliffe and former Bill Clinton advisor Vernon Jordan. Also spotted was movie producer Steve Bing, who lent his private plane to the former president when Clinton flew to North Korea to help bring home Laura Ling and Euna Lee, the two American journalists who'd been imprisoned in the Asian country.

Pre-wedding fever has officially gripped Rhinebeck, New York –- the small town where Chelsea Clinton is expected to tie the knot with Marc Mezvinsky on Saturday evening. See some of the humorous and touching sights from around Rhinebeck. Then, keep checking back here for the latest as we remain on wedding watch!

Dressed to impress and smiling wide, former President Bill Clinton and current Secretary of State Hillary Clinton were snapped outside a pre-wedding bash for their daughter Chelsea Clinton. The Clintons arrived to the Beekman Arms Inn in a black shuttle van Friday night, waving to cameras and cheering crowds. Roads were blocked off to make way for their arrival, and they entered the event shortly after guests arrived via shuttle. They left the soiree at about 11:40 p.m. ET has learned that guests enjoyed light snacks and desserts inside the bash and that the event did not include live music.

Bill and Hillary Clinton have arrived to an event in Rhinebeck, New York Friday night in celebration of their daughter Chelsea's reported weekend wedding with Marc Mezvinsky, and ET has the details. The former president arrived, entering in the side entrance of The Beekman Arms. The mother of the bride, Secretary of State Hillary Clinton, arrived wearing a long-sleeved, one-shouldered green chiffon gown.  The Clintons smiled and waved to cameras and cheering fans. Famous guests spotted arriving to the soiree include Diane Sawyer, former Secretary of State Madeleine Albright and Terry McAuliffe.

As Chelsea Clinton's reported weekend wedding with Marc Mezvinsky nears, the rumored site of the nuptials is apparently kicking its preparations into high gear. Earlier Friday ET brought you video of Chelsea's dad, former President Bill Clinton, stepping out in Rhinebeck, New York -- the quaint New York town where the event will reportedly take place -- and now new details are emerging. Us Magazine reports that two helicopter landing pads have been installed -- at an estimated cost of $3 million -- at the reported wedding site, Astor Courts, a private estate located in Rhinebeck on the Hudson River. Other guests are expected to be bussed over from local inns, the site says.