How do a couple of millionaires really do it up for their wedding? If you’re Ivanka Trump and New York Observer publisher Jared Kushner, who wed yesterday in front of 500 guests, the answer is simple: Get Regis Philbin to sing. Other opulent details of the ceremony at a Trump golf club: Ivanka’s Vera Wang wedding gown, $45,000 hair clip, $130,000 diamond earrings, and $90,000 bracelet. (More Ivanka Trump stories.)