Happy St. Patrick’s Day, everybody!

To celebrate the Irish holiday, we’ve got a slab of Guinness, a solid playlist of singles from The Corrs & House Of Pain, and this article! We’ve counted down the hottest celebrities on Planet Earth who have some kind of Irish ancestry in their blood. From Mischa Barton to Megan Fox, let’s just say that these ladies definitely hold the luck of the Irish.

Enjoy:

MISCHA BARTON [via Nylon]

ROSANNA DAVISON [via Playboy]

JENNIFER LAWRENCE [via Vanity Fair]

VANESSA HUDGENS [via Details]

HILARY DUFF [via Maxim]

TINASHE [via Interview]

MILEY CYRUS [via Terry Richardson]

MEGAN FOX [via GQ]

OLIVIA WILDE [via Maxim]

LEIGHTON MEESTER [via GQ]

Head image via PETA