Following in the footsteps of other celebrity M&S spokesmodels, which include Twiggy, Dannii Minogue and St Pancras Renaissance Hotel in London, sees the genetically-blessed pair showing off some classic Marks and Spencer attire in a 'filmic' style shoot - which arguably, makes the high street attire look decidedly high end.
And it's got us thinking: wouldn't they make a lovely couple?
The new Autograph Autumn/Winter 2011 collection lands in stores nationwide and online on 1 September.
What do you think of Rosie and Ryan as the new faces of M&S? Let us know in a comment below.