Actors John Travolta and wife Kelly Preston, whose eldest son died tragically at age 16, proudly show off their new baby son on the cover of People on newsstands this week.

"He's given the house a renewed spirit and purpose," Travolta told the magazine.

At age 48, "Casino Jack" star Preston gave birth to the baby, named Benjamin, this past November.

The couple's first son, Jett, died of a seizure in January 2009 while the family was on vacation in the Bahamas.

Travolta, 56, starred in 1978 musical comedy film "Grease" and played in a number of largely forgotten movies in the 1980s before making his comeback as gangster Vincent Vega in the 1994 "Pulp Fiction." He recently appeared in "Hairspray," "Old Dogs" and the action flick "From Paris with Love."

An image on People's website shows Travolta, Preston and baby Benjamin dressed in white for their cover photo, which the magazine said will hit newsstands on Friday.