Chelsea Clinton and Marc Mezvinsky Tie the Knot!

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 their well-wishes on this special day."