Jem and the Holograms celebrate their 40th anniversary with a vibrant new cover of Wham!’s “Last Christmas,” featuring Britta Phillips and a festive new music video.

In Jem, Jerrica is the owner and manager of Starlight Music, and lives a double life as Jem, the lead singer of her band with the help of a holographic computer, known as Synergy (voice of Marlene ...

There's a whole world under the surface and only Ron has any idea about it. And sometimes the two worlds collide, and sometimes they don't. Ron holds them at arm's length from each other. Watch every ...