Actor George Clooney; candidate for GOP nomination Jeb Bush; Jon Batiste and Stay Human perform.
Actress Scarlett Johansson; SpaceX and Tesla Motors CEO Elon Musk; Kendrick Lamar performs.
Vice President Joe Biden; Uber CEO Travis Kalanick; Toby Keith performs.
Comic Amy Schumer; author Stephen King; Troubled Waters perform.
Actress Emily Blunt; Justice Stephen Breyer; The Dead Weather performs.
Actor Jake Gyllenhaal; Run the Jewels performs with TV on the Radio.
Actor Kevin Spacey; TV legend Carol Burnett with comics Abbi Jacobson and Ilana Glazer; Willie Nelson is interviewed and performs.
The new Daily Show host Trevor Noah; Secretary-General Ban Ki-moon.
Actress Lupita Nyong'o; Sen. Bernie Sanders (D-Ind.-Vt.); a performance from ``An American in Paris'' stars Christopher Wheeldon, Robert Fairchild and Leanne Cope.
Actress Viola Davis; physicist Brian Greene; George Ezra performs.
Actress Jennifer Connelly; director Judd Apatow; The Internet performs.
Actress Julianne Moore; actor Burt Reynolds; Public Image Ltd. performs; CeeLo Green sits in with Jon Batiste and Stay Human.
Actress Sharon Stone; actor Justin Theroux; James Taylor performs.
Musician Gloria Estefan; Navy SEAL Eric Greitens & former Marine Sgt. Jake Wood; chef Daniel Boulud.
Actor Steve Carell; Jennifer Hudson is interviewed and performs.
``Downton Abbey'' cast members Michelle Dockery, Hugh Bonneville and Allen Leech; writer/director Adam McKay; Kurt Vile performs.