Today's pop music may be led by new ladies on the block like Ariana Grande, but let's not forget that some of the biggest names in pop have been ruling the scene for far longer. Some pop stars have been running the show for over 10 years with no signs of slowing down — even if their look, music, and style has changed quite a bit. Check out the nine pop stars who were making hits in 2004 — and still are today.
Then: Britney Spears
Spears embarked on the Onyx Hotel tour to promote her album In The Zone. (I was there. It was epic.)
Now: Britney Spears
The blond bombshell has two-year residency in Vegas because who wouldn’t want to see Spears in Vegas?!
Then: Avril Lavigne
The “Sk8r Boi” singer tried to make red eye makeup happen.
Now: Avril Lavigne
Lavigne released a self-titled album in 2013 and now wears a lot of Tokyo-inspired fashion. Let’s all try to forget that this music video happened, though.
The “Get This Party Started” singer was the rock-inspired answer to bubblegum pop.
Pink shows off her killer pipes with songs like “Just Give Me A Reason” and her incredible strength with performances like the one at the 2014 Grammys.
The former Destiny’s Child member struck out solo in 2003.
Umm, do I even need to tell you? Bey continues her superstar ways with a visual album she dropped on the public in 2013 and a joint tour with her husband Jay Z.
Then: Hilary Duff
The former Lizzie McGuire star released her self-titled album in 2004, which included the single “Fly.”
Now: Hilary Duff
Duff just released new music after a seven year hiatus.
Then: Christina Aguilera
Remember when Aguilera was in her “dirrrty” phase? Yeah. That’s what that looked like.
Now: Christina Aguilera
Aguilera will return to The Voice as a mentor for the eighth season and is currently working on a new album.
The Black Eyed Peas member asked us where the love was.
Fergie recently released her new single “L.A. Love (La La).”
Then: Kelly Clarkson
Clarkson won the first season of American Idol in 2002 and released her 6x platinum album Breakaway in 2004.
Now: Kelly Clarkson
Clarkson has an album scheduled for 2015 and is currently keeping busy doing incredible covers of Taylor Swift songs.
Then: Gwen Stefani
The No Doubt singer struck it solo in 2004 with her album Love. Angel. Music. Baby.
Now: Gwen Stefani
Stefani judged the sixth and season season of The Voice and released the single “Baby Don’t Lie” in October 2014.