...both Grace Kelly and Ava Gardner starred with him in "Mogambo"...I have to vote Ava Gardner...
You'd lose. Although he was with Gardner's character in the film, on the side, he and Grace were a hot couple, and he took her on a real safari after they wrapped filming on the movie.
At this time, Gardner was Frank Sinatra's lady on the side, and he visited her during filming.
BTW, there's a pic of Princess Grace on the Net with a rifle that looks like a .275 Rigby made then. Looks just like the Rigby catalog art. It's not the rifle seen here. Gable also had a M-70 Winchester .270 on hand, but i don't recall if it was in the film. I've seen a pic of it leaning against a hut in a native village.
The photo caption noted the caliber and that it was Gable's.
BTW, Grace wore boots that looked a lot like Russell's Birdshooters, recommended by author Robert C. Ruark.
Does anyone else see a resemblance in one of the Joan Crawford photos and model Candice Swanepoel?
In particular, her forehead and lips remind me of Candice. Of course, Candice is blonde. I love her accent. Unlike her fellow South African Charlize Theron, Candice doesn't try to sound American.