Nicholas Hoult As Beast In X-Men: Days Of Future Past
Director shares first pic of star on set, with Hugh Jackman as Wolverine...
He accompanied the image with the caption: "Welcome to 1973."
Singer has previously shared a close-up image of a face which was thought to be Hoult as Beast after his blue transformation.
And more recently he gave fans a first look at Ellen Page as Kitty Pryde.