Jennifer Hudson Records Lullaby, Reveals Son's Favorite Bedtime Tune

Photo by Diane Bondareff/Invision for Pampers/AP ImagesWhen Jennifer Hudson's 2-year-old son, David Otunga, Jr., can't get to sleep, the Grammy Award-winner -- like generations of moms before her -- turns to music to soothe him.  Now, Jennifer is giving parents everywhere a hand, teaming up with Pampers to record an original rendition of "Lullaby and Goodnight," which is available as a free download on the diaper brand's Facebook page.

Jennifer unveiled her version of the bedtime classic during a special New York City launch this week, and revealed to ABC News Radio that in addition to lullabies and nursery rhymes, her little guy is a big fan of a certain 1971 smash from Ike and Tina Turner: "Proud Mary."

Songwriter and musician John Fogerty, who penned the hit, tapped Jennifer to re-record the classic for his upcoming album, Wrote a Song for Everyone.  Jennifer had been playing the track over and over again at home, and apparently it struck a chord with David Jr.  "My son's like, 'Mommy, play that again. I wanna hear it again,' and now that's his song," Jennifer says, adding that the tune came in handy on a recent night when David Jr. didn't want to go to sleep.

"He was jet lagged from being in LA and we're getting home and I'm like, 'It's time to go to bed,'" Jennifer recalls, "and he grabs the mic, the stand, everything and starts singing, 'Proud Mary.'"

Having a powerhouse vocalist mom and professional wrestler dad has apparently turned David Jr. into quite the entertainer.  "I have a video of him like really giving me a full on performance [of 'Proud Mary']," Jennifer says laughing.  "He went from being Ike to Tina, all in one."

As part of their partnership with Jennifer, Pampers is donating $100,000 to the non-profit foundation named for her late nephew, the Julian D. King Gift Foundation.

Copyright 2012 ABC News Radio