President Reagan's inaugural luncheon in the U.S. Capitol, January 20, 1981.
Traditionally, after the inauguration ceremony, presidents will attend a luncheon in the White House prepared by the outgoing President and First Lady. After the luncheon, the President views a parade from a stand built in front of the White House on Pennsylvania Avenue.

President Reagan speaking at his Inaugural luncheon, January 21, 1985, in Statuary Hall in the U.S. Capitol
Architect of the Capitol.
Reproduction number: LC-USZC4-7729 (color film copy transparency).
President Reagan speaking at his inaugural luncheon in the U.S. Capitol, January 21, 1985.
http://inaugural.senate.gov/history/daysevents/inauguralluncheon.cfm