Jennifer Hudson & Jason Mraz: Grand Slam for Children!

Jennifer Hudson and Elton John sandwich in her son, David Otunga, Jr., at the Andre Agassi Foundation for Education’s 15th Grand Slam for Children benefit concert held at the Wynn Las Vegas on Saturday (October 9) in Las Vegas, Nevada.

The 29-year-old entertainer performed “And I Am Telling You I’m Not Going” at the event, which raised funds to improve education for kids in need in the Las Vegas area.

Also pictured inside is Jason Mraz, who performed his hit “I’m Yours” at the event.

FYI: Jennifer is wearing an iris double face wool crepe sleeveless fishtail gown from Michael Kors.

15+ pictures inside of Jennifer Hudson and Jason Mraz at a benefit concert…