What better way to celebrate America's independence than with some of our country's greatest treasures: Lindsay Lohan, Katy Perry and porn star James Deen!

OK! GALLERY: LINDSAY LOHAN'S FIRST DAY OF SHOOTING 'LIZ & DICK' IN LEOPARD BATHING SUIT

The trio were spotted entering Santa Monica's SHOREbar yesterday, with Katy in a red, white and blue outfit (complete with American flag denim jacket) and Lindsay back to her classic red-haired roots.

OK! GALLERY: LINDSAY LOHAN ARRIVES IN NYC WITH AN UNTITLED SCRIPT IN TOW

Lindsay was, no doubt, celebrating the wrapping of her latest project, Liz & Dick,  and getting to know James, with whom she is shooting The Canyons this summer.