An exclusive clip from this week's "Twilight Night" episode, below, reveals special guest star singer-songwriter Christina Perri taking the stage to perform her hit, "A Thousand Years." In the clip, ...

"Beautiful" is now one of Christina Aguilera's signature songs, but songwriter Linda Perry originally didn't want to give it to the singer who'd broken into pop music with her 1999 hit single "Genie ...

She hit the big time with 4 Non Blondes, then penned hits for everyone from Christina Aguilera to Courtney Love. But as an intimate new film about her life shows, she’s had to confront illness, family ...

The 2002 song went on to become one of Aguilera's biggest hits.

The Masked Singer is getting extra (sparkly) star power this week. An exclusive clip from this week's "Twilight Night" episode, below, reveals special guest star singer-songwriter Christina Perri ...