Pair revive quirky TV host characters Cord and Tish ahead of Royal Wedding coverage
Track will appear on art-pop outfit's upcoming LP, 'High as Hope'
Artist sings "No Tears Left to Cry" on 'Fallon' backed with cardboard instruments
Singer, comedian took turns dancing wildly to Seventies ballads on 'The Tonight Show'
New York City Gay Men's Chorus backed Tillman's 'God's Favorite Customer' track
Singer, Jimmy Fallon also conjure ska Ed Sheeran, country Usher, Nineties diva Drake in "Musical Genre Challenge"
Parody of 1969 hit features early lyrics about a "Canadian dentist," "Turkish beekeeper"
Robert Downey Jr., Scarlett Johansson, Chris Pratt, more introduce "The Marvel Bunch"
'Invasion of Privacy' rapper also reads excerpt from children's book, 'Go the Fuck to Sleep'
Jimmy Fallon welcomes rapper with President Trump audio mashup of "Bodak Yellow"
'Austin Powers' villain takes credit for border wall, plots 2020 presidential bid
Rapper performed laid-back "A$AP Forever," took shots at Trump on "Distorted Records"
Rapper will serve as late-night stalwart's first ever co-host
Leto embarks on road trip to promote Thirty Seconds to Mars' new LP 'America'
'Full House,' 'Martin' sitcom songs also featured in rousing 'History of TV Theme Songs' medley