Donald Trump has pledged to unify America as he addressed cheering supporters at a concert on the eve of his presidential inauguration.
Speaking on the steps of the Lincoln Memorial in Washington DC, the president-elect also promised to bring change.
Among attendees at the two-hour event were his family, actor Jon Voight and Soul Man singer Sam Moore.
Mr Trump earlier laid a wreath at Arlington National Cemetery, Virginia.
Thursday evening’s Make America Great Again! Welcome Celebration was open to the public and featured performances by country stars Toby Keith and Lee Greenwood.
Mr Trump has asked about 50 senior Obama administration officials to stay on until they are replaced, spokesman Sean Spicer told a news conference.
They include Brett McGurk, the special envoy to the US-led coalition fighting the so-called Islamic State, as well as Deputy Defence Secretary Robert Work.
Down the road at the White House, President Barack Obama spent his last day in office with the daily briefing and lunch with Vice-President Joe Biden.
Mr Obama also spoke to German Chancellor Angela Merkel in his final conversation with a foreign leader as president, according to the White House.