By Natalie Hunter Bruce Willis’ wife Emma Heming Willis has stepped out after getting candid over her husband’s dementia battle. After refuting claims that Bruce, 68, had “no more joy” left in him, Emma kept it casual in a light blue sweater and jeans. Emma also held a large white bag, white fanny pack and Stanley-like tumbler as stepped out in white sneakers. This comes just after she admitted that she has been struggling with “grief” and “sadness.” Emma, 45, looked concerned at one point as she opened her car door. Clickhereto follow the Mirror US on Google News to stay up to date with all t…