A tip of the crown to Nancy Davis, whose theme this year for her multiple sclerosis fund-raiser, “Rock & Royalty to Erase MS,” has a regal bent. Open your wallet for the cause at one of the best silent auctions in the gala business (second only to mom Barbara’s Carousel of Hope) and bid on trips, jewels, and medical procedures (every year we think about putting our money down on the full body scan). Usually on the block at the live auction is the latest must-have auto, while top-notch performances in the past have included Earth, Wind & Fire, Avril Lavigne, No Doubt, and Smokey Robinson. More information.