Either Kate Beckinsale or Elisha Cuthbert. If forced to choose only one, I'd probably go with Kate, since she said her pussy was her best feature. Based on how nice the rest of her features are, that pussy must be incredible.
If I could pick just one its Gianna Michaels. I will eat her pussy like its no tomorrow. Other girls on my list are Cassie Young, Harmony Rose, and Jessica Jaymes.