Nothin’ beats summertime by the pool, and because it’s Nationwide Swimming Pool Day … what higher manner to absorb the celebration than taking a dip with Hollywood’s hottest hunks?!

Residing that pool life, stars like “Bachelor” alum Colton Underwood stored calm and swam on (after posing for a scorching selfie in fact), whereas “DWTS” Alan Bersten was giving ‘pool hair, do not care’ vibes … and actual property hottie Dom Fenison washed up his washboard abs poolside!

Take a look at “Love Island’s Jack Finchman, who was in pure poolside happiness absorbing that golden hour glow …

Dive into our gallery and see which Hollywood bros are heatin’ up by the pool!