Bruce Willis and his wife, Emma Heming, celebrated her birthday with a family picnic including his ex-wife, Demi Moore, and their daughter Rumer Willis.The model, 41, shared photos of the festivities in Idaho via Instagram on Thursday, June 18, during which Bruce, 65, Moore, 57, and Rumer, 31, joined her for an outdoor picnic. Heming and the Die Hard star’s daughters Mabel, 8, and Evelyn, 6, were also in attendance.