The couple welcomed baby Elizabeth, 5-pound, 13-ounces, on Saturday in Los Angeles, the Associated Press reported.

This fundraising event pairs leading professional golfers with celebrated actors, chief business leaders and entertainment industry executives for a round of golf in a "Modified Best Ball" tournament format.

John's "Primary Colors" director Mike Nichols told People that he's certain the Travolta/Preston family would continue to endure during this difficult time.

"They're very strong. They have Ella. They have lots of people they love to take care of. And they will," he told the mag. "But they have to have time for just plain grief."

Stars including Mark Wahlberg, Greg Kinnear, Andy Garcia, James Caan, Don Cheadle, Kyle MacLachlan, Tim Allen, Jack Wagner, Michael Chiklis and Peter Gallagher will hit the links on December 15 alongside professional golfers such as Phil Mickelson, Morgan Pressel, and Johnny Miller at the Callaway Golf Foundation's annual tournament at the famed Riviera Country Club in Pacific Palisades, California.