Green wigs, green beers, green rivers — the world's gone green for St. Patrick's Day, with parades and parties taking over cities across the globe. Although Chicago may be one of the best St. Patrick's Day  spots, there's no denying that Dublin does the holiday right. In Washington DC, the Obamas toasted in green, while across the pond, Prince William and Kate Middleton donned the festive hue for celebrations of their own. Get in the Irish spirit with a look at St. Patrick's Day fetes around the world!
Huge crowds flocked to the St. Patrick's Day parade in Ireland.
Women rocked bright beards for Dublin's parade.
Prince William and Kate Middleton attended the St. Patrick's Day parade in Aldershot, England.
Lithuanians toasted beside a green river.
In Sydney, Australia, people toasted to the holiday wearing green gear.
President Obama proposed a toast at the White House St. Patrick's Day reception.
A woman in the UK put a green wig on her little one.
The Leaning Tower of Pisa was all aglow for St. Patrick's Day.
A dog in Detroit, MI, got in the holiday spirit with a sparkly hat and sunglasses.
A man covered in festive buttons stepped out for the parade in NYC.
Parade participants in Dublin were all decked out for the day.
Detroit, MI, got festive with a St. Patrick's Day parade.
In the UK, a man sported leprechaun glasses.
The Duke and Duchess of Cambridge enjoyed a drink during the St. Patrick's Day parade in Aldershot, England.
Nuns cheered and waved Irish flags during NYC's St. Patrick's Day parade.
Dublin's traditional parade brought out plenty of costumed groups.
In the UK, a man wore a bodysuit inspired by the Irish flag.
Michelle Obama cracked up with Vice President Biden during a St. Patrick's Day celebration at the White House.
Dublin revelers sported mustaches and plenty of green.
A woman in the Dublin parade wore an elaborate costume for the festivities.
Men in the UK wore festive beards and hats.
A kid dressed in Irish gear sat on his dad's shoulders during the London parade.
In London, people got in the Irish spirit with a festive parade.
Bagpipers performed during the NYC parade.