Some of Hollywood's biggest names are in the spirit -- rockin' green to celebrate St. Patrick's Day. Warning: Images may contain green beer and Guinness.
Olympic athlete Simone Biles shared green bikini shots while on vacation in Turks and Caicos -- while Danny Trejo, made special holiday donuts at his L.A. restaurant ... rainbows and Lucky Charms included!!!
Of course, we can't forget "Too Hot To Handle" star Francesca Farago, who did an entire shamrock photo shoot for the occasion.
Other celebs went out all for the holiday .