A Los Angeles fundraiser headlined byBarack Obamaraised more than $4 million forKamala Harris presidential campaign, sources said.
Costos is the former U.S. ambassador to Spain under Obama and a former HBO executive.
Smith is a designer whose work included the Oval Office revamp during the 44th presidents term.
Barack Obama speaks at the Democratic National Convention last month.Photo by Chip Somodevilla/Getty Images
Vanessa Williams sang a rendition of Happy Days Are Here Again, once the anthem of the Democratic party.
The Washington Post first reported on some of the details of the Obama event.
