Between hilarious duets of Smith's biggest hits, Corden asks about his career and family ... plus, they crash a wedding.

The soul superstars harmonize on each other's hits, welcome surprise guests and serenade a laundromat.

It's a battle of the screamers as Eichner and Metallica sing the band's hits—and a classic from The Little Mermaid.

The indomitable Game of Thrones sisters sing Bieber and Miley while showing off their best Ned Stark impressions.

The musical theater aficionados belt out their favorite show tunes, and Seth shows off his horn skills.

Miley, her parents, and four of her siblings pile into one vehicle for a rowdy good time.

The large-and-in-charge personalities compare their freestyle and free-throw skills in between tunes.

Strahan ribs Gordon about his many sponsorships and gets him to sing along to his shout-out in Nelly's “E.I.”

Shakira teaches Trevor how to shimmy—and yodel—while giving him a tour of Barcelona.

Tracee unleashes her rap alter ego “T-Murda” to lay down a guest verse on Big Sean’s “Bounce Back.”

These Planet of the Apps castmates reunite for an airport drive that turns into a full-on dance party.

Sheryl and Dierks bring plenty of surprises to Nashville, even though people can’t spell their names.

Things get quite fast and a bit furious when Tyrese and Luda face off in an obstacle course driving contest.

Country meets comedy as Shelton coaches an unfiltered Handler on the art of car-singing.

Amid sing-alongs to James Blunt and The B-52’s, Neil and Tyler decide to start their own magic act—presented by Tyler.

After Joe quizzes Camila on Jonas Brothers trivia, the pair bond over missing their proms—and decide to change that.

Ken Jeong joins LINKIN PARK for sing-alongs to their biggest hits.

Corden tests the limits of LeBron’s trash-talking cool in between sing-alongs to Usher and Ice Cube classics.

The leading men of Tag compare awkward fan stories between group covers of “Bohemian Rhapsody” and “I Want It That Way."

The Westworld stars trade their horses for wheels and perform “Loop,” a hilarious new version of “Shoop” rewritten for their characters.