Bruce Willis, Demi Moore about to be ‘kooky unhinged’ grandparents as daughter Rumer announces pregnancy

From left, Emma Heming, Rumer Willis, Tallulah Willis, Bruce Willis and Scout Willis attend the Comedy Central Roast of Bruce Willis at Hollywood Palladium on July 14, 2018, in Los Angeles. (Neilson Barnard/Getty Images For Comedy Central/TNS)

Bruce Willis and Demi Moore are about to take on new roles: grandparents.

The former couple’s eldest daughter, Rumer Willis, took to Instagram Tuesday (Dec 20) to share the happy news in an announcement the whole family took part in.