John Travolta has said that one of late wife Kelly Preston’s favorite things to do was dance with him. Now their daughter, Ella, is following in her mother’s nimble footsteps. In mid-January, the pair were spotted taking a two-hour private dance class together before debuting a new Super Bowl ad for Miracle-Gro on Feb. 3 that featured father, 66, and daughter, 20, performing Grease’s signature hand jive. “They had a great time making the commercial,” says a source. “John lights up when he’s with Ella.”
The same can be said when John is around her brother, Benjamin, 10. Together, the Travoltas have grieved for Kelly, who lost her battle with cancer at age 57 in July, growing even closer as a family in the process. “The kids help John more…
