debuted her first new song on Z100.com
Friday since giving birth to son Max.
She's set to perform the song, titled "Keeps Gettin' Better," at the MTV Video Music Awards
live this Sunday.Remember these outrageous VMA moments?
The tune will appear on her album, Keeps Gettin' Better - A Decade of Hits
, which will be sold exclusively at Target beginning November 11.
The disc will include two original songs as well as re-recorded versions of her biggest hits, "Genie in a Bottle" and "Beautiful."
"I can't believe it's been over 10 years since my first album, and it was really exciting to put all of my favorite songs in one collection for my fans," the 27-year-old singer said in a statement Wednesday.
Aguilera has said giving birth to Max in January "inspired"
her to make music.
"This whole incredible thing that's taken place in my life, between the pregnancy and the birth...I've got so much in me to write about," she said on Ryan Seacrest
's KIIS-FM radio show in February.
The singer said she'd "been brainstorming for the last nine months of my pregnancy" for the album