(All images via Mr. Man)

They say April showers bring May flowers, but since we'll all be stuck indoors most (all?) of the month, Mr. Man would rather focus on all the quarantine cuties April has given us. There are quite a few sexy celebs who celebrate a birthday this month ...

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The month opens with two of our favorite studs who have both done full-frontals. These two guys are a hard act to follow!

Super dreamy Michael Fassbender begins Shame with a bang as the very first scene offers a close-up, full-screen view of his magical shaft as he walks around his apartment nude.

One of our favorite daddies, the hunky Chris Meloni, showed us his magnificent member on multiple episodes of the prison drama Oz.

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Charlie Hunnam is the kind of man we thought only existed in Greek mythology. If you've seen his perfect ass in Sons of Anarchy, you know exactly what we are talking about.

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John Cena didn’t waste any time going nude once he arrived in Hollywood. The hottie shows his massive butt and chiseled bod during a hilarious exchange in Trainwreck.

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We loved Djimon Hounsou in both Amistad and Gladiator, but it’s his Calvin Klein ads that really got our attention. The size of the bulge in his underwear will make you swear he is smuggling something.

Eric Balfour has that cool swagger that makes him sexy and just a little dangerous — plus, he’s not afraid to bare it all. Eric gets naked no fewer than six times in Lie with Me, including scenes that show Eric in all his full-frontal glory ... and one scene in which Little Eric is fully aroused during oral sex.

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Last, but certainly not least, is the Magic Mike legend, the one and only Channing Tatum!

Happy b'day, guys!