But it would appear that one has used pictures from many months ago for their New Year edition - because the cover star in question looks remarkably different.
Next month's GQ edition features actor Matt Damon on the cover, who also conducted an interview with the magazine.
Muscle man: Matt Damon poses for a photo shoot to accompany a magazine interview for next month and shows off a full head off hair - even though he shaved it all off in July
Thicker and darker: Matt's cover photo must be an old one taken before July this year
One of the photos to accompany the interview also shows him posed up at a fairground, also with a full head of hair.
But fans, and keen showbiz observers, won't be fooled, because the actor actually shaved all his hair off for a new role back in July - and has kept it that way ever since.
In fact, he was seen at a premiere in New York on Monday night with his shaved head - which he sheared for his role in Elysium which he is filming at the moment - as he posed for pictures with wife Luciana and actress Scarlett Johansson.
In the interview, Damon opens up about the role that put him on the Hollywood map - Jason Bourne in the Bourne film series.
Matt filmed three movies - The Bourne Identity, The Bourne Supremacy and The Bourne Ultimatum - but he will not pick up the role again for the fourth film, The Bourne Legacy, due for release next summer.
He said: 'I'm really pulling for this one, even though I don’t have anything to do with it. Selfishly, it’s bad for me if that movie doesn’t do well.'
Damon said he feels 'inoculated' by the film series and explained: 'It feels like I can swing freely, like a baseball player - just be relaxed and really do the things that I want to do and not worry, because I know there’s another one out there.'
The Shorn Identity: Damon showed off his shaved head as he posed for pictures with Scarlett Johansson on Monday night
At the dinner this year, Obama responded directly, and said: 'Matt Damon said he was disappointed in my performance. Well, Matt, I just saw The Adjustment Bureau…'
Damon said he didn't watch the speech live but got 30 emails from friends the next morning and watched the president’s remarks online.
He said: 'I have to say, it was pretty funny. Whoever came up with it, it was a terrific joke.'
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Walking away: Damon said he had to quit the Bourne franchise but still feels 'inoculated' by it