Now living most of the year in a secluded mountain home on the Nevada side of Lake Tahoe, where she recently had to chase off a black bear from her garden, Helen Mirren and her director-husband Taylor Hackford feel that it’s time to either sell or rent their storied Hollywood Hills home of 30 years. Finding it a little hard to let go, they are offering it for sale at $18.5 million or for rent at $45,000 a month.