Grab those toolkits and ties, people ... it's Father's Day once again -- and, Hollywood knows how to highlight its dads, the famous ones and the ones who helped raise a future celeb.
Hollywood celebrities shared pictures with their own fathers or -- if they have kids themselves -- then pics of them with their little ones ... and, you can just feel all the fatherly love coming through social media.
Glen Powell and Mark Zuckerberg started off the festivities by highlighting their own dads -- with Zuck even humbling his billionaire persona to highlight his old man in a shirt that reads "Ed's Kid.