President Bill Clinton leads his daughter down the aisle in front of 400 some guests who had gathered in Rhinebeck, a small town in upstate New York, for the occasion. A handful of famous faces were in attendance to witness the nuptials including actors Ted Danson and Mary Steenburgen, Madeleine Albright and Terry McAuliffe, former Democratic National Committee chairman.

Photos: Chelsea's Wedding Preps

Chelsea Clinton, 30, wore a strapless Vera Wang (who was also in attendance) gown with a beaded waistline. The former first daughter and Mezvinsky, 32, became friends in Washington, DC, and closer friends when they both attended Stanford University. The two got engaged in November 2009 after four years of dating.

Photos: Chelsea's Wedding Preps

Chelsea Clinton and Marc Mezvinsky are seen during their wedding, Saturday, July 31, 2010 in Rhinebeck, N.Y. The former first dauther wed her longtime boyfriend under extraordinary security at an elegant Hudson River estate late Saturday.

Photos: Chelsea's Wedding Preps

Marc Mezvinsky with Hillary Clinton, his bride Chelsea Clinton and father-in-law President Bill Clinton after the couple's wedding in Rhinebeck, N.Y.

Photos: Chelsea's Wedding Preps

Chelsea Clinton, right, poses with her mother, Secretary of State Hillary Clinton, left, and grandmother Dorothy Howell Rodham, on July 31, 2010, during her wedding in Rhinebeck, N.Y.

The Clinton motorcade travels along River Road in Rhinebeck, N.Y. on the way to Chelsea Clinton's wedding Saturday afternoon, July 31, 2010.

Photos: Chelsea's Wedding Preps

Guests wait for a bus to depart the Delamater Inn to go to Chelsea Clinton's and Marc Mezvinsky's wedding in Rhinebeck, N.Y., on Saturday, July 31, 2010.

Photos: Chelsea's Wedding Preps

Astor Courts is seen in Rhinebeck, N.Y., on Wednesday, July 28, 2010. Chelsea Clinton married longtime beau Marc Mezvinsky in a lavish ceremony at Astor Courts on Saturday, July 31, 2010.

Photos: Chelsea's Wedding Preps