Elvis Presley’s granddaughter, Riley Keough, celebrated her 21st birthday at CityCenter and the Bellagio over the weekend. She was joined by mother, Lisa Marie, and grandmother Priscilla. They dined at Union at Aria in the CityCenter and Yellowtail in Bellagio and partied at Haze in Aria and The Bank in Bellagio. Riley launched her modeling career at the age of 14 on the Dolce & Gabbana runway in Italy. She is pursuing acting and plays a patient in “The Good Doctor,” starring Orlando Bloom. Last week she joined the cast of the horror movie “Jack and Diane.”.