Gwen Stefani talks about her Christmas album, You Make It Feel Like Christmas, and how Blake Shelton's adjusting to life as People's Sexiest Man Alive.

Grimmy rigged up Harry Styles to a heart monitor to see what images would cause an increased heart rate. Will it be Ryan Gosling, a briefcase full of money, Zayn Malik, or purple shoes?

Nick Grimshaw takes pop superstar Harry Styles to connect with some people who don't care much about his fame or musical talent.

Sammy Hagar revisits his first Van Halen hit single with his new band the Circle featuring Michael Anthony, Jason Bonham, and Vic Johnson.

The song "Don't let me down" featuring Daya is from the album Collage by electronic duo The Chainsmokers. She sings about her fear of being let down at the wrong moment by the person she needs the most.

In the song "Overpass Graffiti," Ed Sheeran sings about how his feelings for his ex-girlfriend will never fade, much like "graffiti on the overpass."

Looking back, even after years have passed, the relationship and the painful loss and the hurt that followed are remembered all too well.

"The Joker and the Queen" is from Ed Sheeran's album = (pronounced "equals") and features Taylor Swift. The actors in the music video are in fact the same actors who as children featured in another duet of Sheeran and Swift's, “Everything Has Changed” from 2012.

The relationship has its ups and downs, and here we see the couple fighting in the kitchen after his old friends visit. As she turns twenty-one and he doesn’t show up on her birthday, the writing is on the wall for this doomed relationship.

"All Too Well: The Short Film" is based on an extended version of the song by American singer-songwriter Taylor Swift, and was directed by Swift herself. It follows the relationship of a young couple through its ups and downs.