ROLL CALL: Powerhouses Pitt & Clinton… Plus, Madonna & JT

by Jesse Spero

LOS ANGELES, Calif. -- Your Daily Dispatch of Celebrity Shenaningans

Pitt & The Former President: Brad Pitt had the power of President Bill Clinton on his side Sunday as he began work on his "Make It Right" campaign in New Orleans, the Associated Press reports. "We hope to see a huge change here in the next six months," Pitt told reporters. The actor is aiming to build 150 homes for Hurricane Katrina victims.

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Madge & JT Duet Drops: In what is arguably her biggest duet since singing with Britney on "Me Against The Music," Madonna debuted her duet with Justin Timberlake on Ryan Seacrest's radio show this morning. Take a listen to the Timbaland-produced track, "Four Minutes," HERE.

Carrie's Tears Of Joy: Carrie Underwood was brought to tears - tears of joy that is - when Randy Travis surprised the "Idol" winner by asking her to become an official member of the Grand Ole Opry, Page Six reports "This is one of the best nights of my life, and it's certainly something I'll never forget," Carrie told the audience Saturday. "I'm glad each and every one of you were here to share it with me. This has been absolutely amazing." Carrie is currently the youngest member of the Grand Ole Opry.

[ Star Sightings - Check Out the Photos ]

STAR SIGHTING: J.Lo & Marc Step Out: In their first appearance since the birth of twins Max and Emme, Jennifer Lopez and Marc Antony were spotted hitting the town this weekend. The proud parents were photographed out side Radio City Music Hall in New York City.

Want all of the details on Halle Berry's birth?! - read about it, HERE!

[ All Access: Celebrities - Brad Pitt - Madonna - Carrie Underwood - Jennifer Lopez ]