riley is that he feels he can trust her . now , after splitting with kristen in may , rob ’s reportedly dating riley keough , an actress and elvis presley ’s granddaughter — someone who he believes wo n’t cheat on him . rob loves the fact that riley is elvis 's granddaughter - that 's true rock'n'roll royalty in his eyes . ' the on the road actress and keough co - starred in the runaways together , and we highly doubt kristen would have invited riley to her birthday if they were n't friends , so maybe her pal hanging with her former man is a sign that robsten is back on ? however , one person not so happy about the budding romance is robert 's ex - girlfriend , kristen stewart , who starred alongside riley in the runaways in 2010 . kristen stewart apologized for cheating on robert pattinson in his truck at the weekend more than just friend ? splashnews fameflynet rob to give their relationship yet another go ! he knows riley is n’t like that because she has exclusive : love me tender : robert pattinson is dating elvis 's granddaughter ! robert pattinson & riley keough relationship — rob is so happy that he can trust someone again because at the end of the day , kristen ’s affair forever haunted him .