Can we get some Rolls Royce Phantoms or Ghosts please 
Most likely not as the emily is a registered trademark of BMW and the brand Rolls-Royce is a registered trademark of Volkswagen. There could be some difficulties to get the license here.
But these request should be posted here:
https://forums.forza.net/turn10_postst160165_Forza-Horizon-5-Car-Wish-Lists.aspx