Carrie Underwood capped off a busy week with a knock-out performance this weekend at the Global Citizen Festival in New York City's famed Central Park.

Underwood kicked off last week by announcing an upcoming "Greatest Hits: Decade #1" album, along with a brand new single, "Something in the Water." Then, she lit up the stage at the Sept. 28 festival.

The mom-to-be was part of a star-studded lineup, which also included pregnant Alicia Keys, Beyoncé, Jay Z and No Doubt, who were joined by Sting for one of his hits, "Message In a Bottle," according to The Boot.

Underwood performed for more than 30 minutes, and her set featured some of her biggest hits, including "Cowboy Casanova," "Jesus Take the Wheel," "Good Girl" and "Before He Cheats."

The Global Citizen Festival, which is part of the Global Poverty Project, works to eradicate extreme poverty by 2030, while also promoting volunteerism.

"They are so many causes," Underwood said. "You can find something that you're really passionate about."

Underwood's "Greatest Hits: Decade #1" album will be released on Dec. 9.

The songstress will be prominent at the Nov. 5 CMA Awards, where she will return as co-host, along with Brad Paisley, for the seventh year. She is also nominated for Female Vocalist of the Year, along with Musical Event and Music Video of the Year for her duet, "Somethin' Bad," with Miranda Lambert.