Jonathan Bennett
"Call me guac today cuz I'm extra," the Mean Girls star joked on Instagram while wearing his festive Tipsy Elves outfit.
Tanner Tolbert
The Bachelor in Paradise star celebrates St. Patrick's Day with Lucky Charms and Jade Roper in an unforgettable outfit.
Sarah Hyland
The Modern Family star keeps her St. Patrick's Day celebration classic and casual as she sits on her couch.
Teddi Mellencamp
It's family day for the Real Housewives of Beverly Hills star who heads to the Monster Energy NASCAR Cup Series race at Auto Club Speedway on St. Patrick's Day.
True Thompson
Khloe Kardashian's baby girl shows off her cool style on a sunny day.
Kate Middleton
The Duchess of Cambridge holds up a Guinness beer as she presented shamrocks to officers and guardsmen of 1st Battalion the Irish Guards.
Andy & Benjamin Cohen
The Watch What Happens Live host smiles as he and his newborn son match on the holiday.
True Thompson
Once again, Khloe Kardashian's baby girl looks like she's having the happiest holiday of them all as she rocks a stylish shamrock headband.
Prince William & Kate Middleton
The royals say "Cheers" as they attend a St. Patrick's Day parade.
Vanessa Hudgens
The Second Act star holds up her festive green drink alongside her friend.
Will Smith
The actor dances in a throwback video and proves his St. Patrick's Day outfit puts everyone else to shame.
Jordyn Woods
The model poses in her neon green bikini on a sunny day.