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The image, posted three days ago, shows Drake, with fellow rapper Giggs and head of security and friend Chubbs.
The 34-year-old has mysteriously captioned it 'H', leading Line of Duty fans to make the link between him and the BBC crime drama.
And while it seems extremely unlikely that Drake knows insider Line of Duty secrets, we don't have long to wait until we know who H actually is.
After six gripping seasons of organised crime gangs, unlawful murders and bent coppers, the mystery of who Line of Duty's 'H' is will be revealed on Sunday (2 May).
The identity of the mysterious 'Fourth Man' has been a massive talking point among viewers and now the bookies have had their say.
Heading the odds is the stone-faced DCS Patricia Carmichael - the know it all from AC-3 - and Superintendent Ted Hastings' arch-nemesis.
In a mysterious turn of events, she is replacing AC-12's Ted, who has been forced into retirement as he closes in on the identity of the OCG head.
Betfair spokesman Sam Rosbottom, said: "Line of Duty fans have been obsessed with finding out who H is for years - and mother of god, it is the show's current big baddie Patricia Carmichael who is leading the way in the betting at 2/1, closely followed by Chief Constable Philip Osborne at 4/1.
"While question marks on Ted Hastings for a number of series has him in third favourite at 8/1, we haven't ruled out the ultimate twist of Kate Fleming in fact being part of the OCG all along.
"While it is just 4/1 for H to be someone we have not yet encountered as the show reaches its climax next week."
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