Christina Aguilera

Pink said the two have mended fences, but she'll never forget the bad blood.

Pink's previously called Aguilera an artist she 'didn't like.'

In a cute video that embraces the '30 days in 30 seconds' theme, Aguilera offers fans a glimpse into her fast-paced celebrity lifestyle.

But this look is no 'Dirrty' blonde 'do.

A look back at what made Pink, Christina Aguilera, Lil Kim and Mya's 2001 MTV Movie Awards performance so iconic.

Whitney Houston's estate shuts down hologram performance on 'The Voice.'

The PopCrush editors selected their most anticipated albums of the year, from Sia to Zayn Malik to Britney Spears.

Ed Sheeran covers Christina Aguilera's "Dirrty."

It's not as weird as it sounds...