Ivana Trump seemed 'happy and healthy' in the weeks before she died, her friends have revealed, as they expressed shock at her passing aged 73.The ex-wife of the former president appeared 'terrific' and 'in good spirits' three weeks ago, the owner of her favorite restaurant told DailyMail.com.Atilla Cetin, general manager at the Italian restaurant Nello, a block from the Upper East Side townhouse, fought...