Nelly has penned a sentimental message about his and Ashanti's marriage while celebrating her 45th birthday.RELATED: Ashanti Opens Up About Irv Gotti's Passing & Whether She Believes They Could Have Reconciled (WATCH)Nelly Pens Sentimental Message About His & Ashanti's Marriage While Celebrating Her 45th BirthdayOn Monday, October 13, Ashanti celebrated her 45th birthday, apparently coming off the heels of a tropical vacation at The Cove Atlantis in the Bahamas.