Tabloids began speculating the former Twilight star was dating Elvis Presley's granddaughter after a woman who bears a striking resemblance to Riley was photographed with Rob in the actor's Silverado pickup truck over the weekend. But Riley's rep says there's no truth to the dating report, insisting it's impossible since Keough?who starred with Pattinson's ex Kristen Stewart in The Runaways?was not photographed the day the pic was taken. Jennifer Aniston is known for her healthy lifestyle, but she admitted she once ate a Big Mac and things didn't end very well."I'll never forget when Justin [Theroux] and I were on a road trip and we were so hungry," "The only thing around was McDonald's. I think I ordered a Big Mac. Wow, my body did not react well to that! In an interview with the BBC Radio 4, Elton John expressed his utter lack of respect for the talents highly-rated music competition "The Voice" has produced since it first hit the airwaves, calling the contestants "nonentities."