1James Corden & Will Smith
Between hilarious duets of Smith's biggest hits, Corden asks about his career and family ... plus, they crash a wedding.
2Alicia Keys & John Legend
The soul superstars harmonize on each other's hits, welcome surprise guests and serenade a laundromat.
3Billy Eichner & Metallica
It's a battle of the screamers as Eichner and Metallica sing the band's hits—and a classic from The Little Mermaid.
4Maisie Williams & Sophie Turner
The indomitable Game of Thrones sisters sing Bieber and Miley while showing off their best Ned Stark impressions.
5Seth MacFarlane & Ariana Grande
The musical theater aficionados belt out their favorite show tunes, and Seth shows off his horn skills.
6The Cyrus Family
Miley, her parents, and four of her siblings pile into one vehicle for a rowdy good time.
7Queen Latifah & Jada Pinkett Smith
Queen Latifah and Jada Pinkett Smith—with a cameo by their Girls Trip costars Regina Hall and Tiffany Haddish—hit L.A.
8John Cena & Shaquille O'Neal
The large-and-in-charge personalities compare their freestyle and free-throw skills in between tunes.
9Jeff Gordon & Michael Strahan
Strahan ribs Gordon about his many sponsorships and gets him to sing along to his shout-out in Nelly's “E.I.”
10Shakira & Trevor Noah
Shakira teaches Trevor how to shimmy—and yodel—while giving him a tour of Barcelona.
11Tracee Ellis Ross & Big Sean
Tracee unleashes her rap alter ego “T-Murda” to lay down a guest verse on Big Sean’s “Bounce Back.”
12Gwyneth Paltrow, Jessica Alba & will.i.am
These Planet of the Apps castmates reunite for an airport drive that turns into a full-on dance party.
13Sheryl Crow & Dierks Bentley
Sheryl and Dierks bring plenty of surprises to Nashville, even though people can’t spell their names.
14Tyrese Gibson & Ludacris
Things get quite fast and a bit furious when Tyrese and Luda face off in an obstacle course driving contest.
15Blake Shelton & Chelsea Handler
Country meets comedy as Shelton coaches an unfiltered Handler on the art of car-singing.
16Neil Patrick Harris & Tyler Perry
Amid sing-alongs to James Blunt and The B-52’s, Neil and Tyler decide to start their own magic act—presented by Tyler.
17Joe Jonas & Camila Cabello
After Joe quizzes Camila on Jonas Brothers trivia, the pair bond over missing their proms—and decide to change that.
18LINKIN PARK & Ken Jeong
Ken Jeong joins LINKIN PARK for sing-alongs to their biggest hits.
19LeBron James & James Corden
Corden tests the limits of LeBron’s trash-talking cool in between sing-alongs to Usher and Ice Cube classics.
20Jon Hamm, Ed Helms & Jeremy Renner
The leading men of Tag compare awkward fan stories between group covers of “Bohemian Rhapsody” and “I Want It That Way."
21Evan Rachel Wood & James Marsden
The Westworld stars trade their horses for wheels and perform “Loop,” a hilarious new version of “Shoop” rewritten for their characters.