X Ambassadors
Canciones: Blinding Lights - Happy People (& Teddy Swims & Jac Ross) - Boom - Unsteady - Jungle (Remix) (& Jay-Z)

X Factor
Joe McElderry, Leon Jackson, Same Difference, The X Factor Finalists, Alexandra Burke, Steve Brookstein, Shayne Ward, Leona Lewis, Susan Boyle, Jedward, Maria Lawson & Cher Lloyd
Canciones: Hallelujah (Alexandra Burke) - Somewhere Over The Rainbow (Shayne Ward) - Against All Odds (Steve Brookstein) - You'll Never Walk Alone (Ray Quinn) - The Climb (Joe McElderry)

Xanadu (film)
Banda sonora (1980)
Descubre también: Xanadu (musical), Olivia Newton-John, Cliff Richard & Electric Light Orchestra
Canciones: Xanadu (Olivia Newton-John & Electric Light Orchestra) - Suddenly (Olivia Newton-John & Cliff Richard) - All Over the World (Electric Light Orchestra) - Don't Walk Away (Electric Light Orchestra) - Suspended in Time

Xavi
También conocida como Joshua Xavier Gutierrez Alonso
Canciones: La diabla

Charli XCX
Charlotte Aitchison
Canciones: I Love It (& Icona Pop) - Girls - Break the Rules - Boom Clap (The Fault In Our Stars) - Von Dutch

Xscape
Canciones: Just Kickin' It - Understanding - Who Can I Run to - My Little Secret - The Arms of the One Who Loves You

Xuxa
Canciones: Ilarie

XXXTentacion
Canciones: Changes - Hope - Sad! - Moonlight - Falling Down (& Lil Peep)

Xzibit
También conocida como Alvin Nathaniel Joiner
Canciones: What's the Difference (& Eminem & Dr. Dre)