John Travolta, 68, honored his late “Grease ... to sing the show’s iconic song “Summer Nights” for a T-Mobile Super Bowl ad. In the commercial, Travolta can be seen wearing a Danny ...

WASHINGTON — John Travolta unleashed his true inner-Danny Zuko in T-Mobile's latest Super Bowl ad. Dressed in the iconic white T-shirt and popped black jacket, Travolta sings a rendition of ...