John Travolta and Kelly Preston, 47, Are Expecting!

Credit: John Shearer/WireImage

Great news for the Travolta family!

John Travolta's wife Kelly Preston, 47, is expecting.

The Hollywood couple made their announcement on both of their websites Tuesday:

"It's impossible to keep a secret...especially one as wonderful as this," the message reads.

"We want to be the first to share this great news with everyone that we are expecting a new addition to the our family."

The message is signed "John, Kelly and Ella."

Travolta, 56, and Preston have a 10-year-old daughter, Ella Bleu. In January 2009, their 16-year-old son Jett tragically died of a seizure. "We've been working very hard every day as a family to heal, Travolta said in November, adding that the "outpouring of love from, really, worldwide has been extraordinary."