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Mel Gibson, Milo Gibson

Eric Charbonneau/Invision for Lionsgate/AP Images

Mel Gibson was on hand for the Hacksaw Ridge after party in Beverly Hills last night, but it seems like a lot of attention fell on his 26-year-old son, Milo Gibson.

And no, your eyes aren't deceiving you, that's not actually Bradley Cooper hanging out Mel, that's the longtime actor's fifth child with his ex-wife Robyn Moore Gibson.

It turns out that Milo is already following in his famous father's footsteps as he has a role in the upcoming war flick alongside Andrew Garfield.

Mel Gibson, Milo Gibson

Kevin Winter/Getty Images

The film depicts the true story of Private First Class Desmond T. Doss who won the Congressional Medal of Honor after he refused to bear arms during World War II.

The look-alike father and son duo appeared to be in the best of spirits during the swanky affair celebrating the release of the future film, which is slated to hit theaters on Nov. 4.

Milo has six full siblings: Hannah Gibson, Christian Gibson, Louis Gibson, William Gibson, Thomas Gibson and Edward Gibson.

The up and coming actor is also the older half-brother to Mel's six-year-old daughter Lucia Gibson and is set to welcome another addition to the family in the very near future as Mel is currently expecting his ninth child with his girlfriend Rosalind Ross.

Looks like there could be more Gibsons in Hollywood coming very, very soon!