Have I seen you somewhere before?
Ever thought Cherie Blair looks uncannily like Daniel Radcliffe? If you combine Tony Blair's wife's features with those of Tom Cruise you are able to conjure up the Hollywood star.
In this light-hearted game of celebrity maths, the Daily Mail looks at how remarkably similar some of the most famous faces are.
Looks familiar? Actress Juliet Stephenson and Gordon Ramsay dish up timelord Matt Smith
Pitt stop: EastEnder Sam Womack and Brad Pitt give us Cheryl Cole's boyfriend Derek Hough
Hair apparent: Fashion's Donatella Versace and Sir Jimmy Savile create singer Lady Gaga
Star quality: Actors Kate Winslet and Nicolas Cage combine as Twilight actor Robert Pattinson
Wizard! Footballer David Beckham and model Kate Moss produce actress Emma Watson
Oliver twist: Take actress Julie Walters and add a pinch of London Mayor Boris Johnson to cook up TV chef Jamie Oliver
Royal flush: Celebrity queen Liz Hurley and actor Clive Owen meet in the Middleton with royal bride-in-waiting Kate
Mission Impossible? Perma-grinned actor Tom Cruise and Cherie Blair conjure up Harry Potter star Daniel Radcliffe
Cher and Cher alike: Comedian Russell Brand and actress Helena Bonham Carter deliver X Factor finalist Cher Lloyd
Little Briton? TV presenter Emma Forbes and comedian David Walliams add up to teen heart-throb Justin