The actor was amongst a host of top UK talent on the invite list who decided to give the Downing Street party a miss.
He is currently filming Black Mass, proving he's hotter than Johnny Depp on set, so it could have been simply scheduling problems.
However, Ben has a history of sharing his political opinions, ones that often don't align with the Tory party.
He took the opportunity to share his voice with the paparazzi last summer:
He has also always said his love of Eton came from the attention they gave arts and drama, something that has taken dramatic cuts in recent years.
So, instead of Sherlock Holmes, who did Dave get round his dinner table?
Bruce Forsyth, Michael McIntyre and Cilla Black were all in attendance.
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