Lady Gaga's 'Artpop' might not be her best album but it's interesting. The "Poker Face" singer supposedly created a video for one of the album's songs but never released it.
Katy Perry's "Woman's World" could have been the comeback of the century. Instead, the "Firework" singer might have just destroyed the remnants of her career.
"Teenage Dream" is arguably Katy Perry's signature song. One of the writers did not want to hand the track over to Perry, but she had to because she was desperate.
Britney Spears' "I'm a Slave 4 U" didn’t get many listeners up in arms. People for the Ethical Treatment of Animals (PETA) castigated Spears for a performance of the song.
Britney Spears has released many songs over the years centered around weird concepts. Only one of the Princess of Pop's songs is about e-mailing someone.
Slayyyter makes pop music for wild nights at the club. It's surprising she covered Britney Spears' "Everytime," one of the most delicate and low-tech ballads from the Princess of Pop.
The actor revealed that his relationship with the multi-hyphenate was a 'balance' between two people trying to 'navigate, negotiate, and love one another.'
Britney Spears' "...Baby One More Time" was recycled in different flavors. Here's a look at the pop genius who got a little too repetitive while he was working with Spears.
Katy Perry's "Firework" was co-written by one of the most important songwriters working in the business today. She revealed what it was like to work with the "California Gurls" singer.