
Parade-goers pose for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

Parade-goers pose for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

Parade-goers pose for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

Parade-goers pose for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer poses for a picture during the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade participant marches in the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer watches the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

Parade participants wait to march in the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

Parade-goers watch the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

A parade-goer watches the annual St. Patrick's Day Parade along Fifth Ave in Manhattan on March 17, 2014 in New York City.
Mike Rivera/ABC News

People watch the annual St. Patrick's Day parade from a roof in Boston, March 16, 2014.
Michael Dwyer/AP Photo

A dog dressed for the 2014 Detroit St. Patrick's Day parade, March 16, 2014, in Detroit, Michigan.
Paul Warner/Getty Images

A young boy practices on his trumpet prior to marching in the St. Patrick's Day parade, March 16, 2014, in Sydney, Australia.
Don Arnold/Getty Images

A man wearing a costume with the Irish flag colors takes part in a St. Patrick's Day parade in London, March 16, 2014.
Andrew Cowie/AFP/Getty Images

Toronto Mayor Rob Ford takes a selfie with revelers at the annual St. Patrick's day Parade, March 16, 2014, in Toronto.
Randy Risling/Toronto Star/Getty Images

Spectators watch from a window during the annual St. Patrick's Day parade in Boston, March 16, 2014.
Michael Dwyer/AP Photo

The Chicago River is dyed green in celebration of St. Patrick's Day in Chicago, March 15, 2014.
Jim Young/Reuters

Two young girls watch the St. Patrick's Day Parade in Erie, Pa., March 15, 2014.
Jack Hanrahan/Erie Times-News/AP Photo

St. Patrick's day celebrations are visible in a reveler's sunglasses at the annual Porterville Breakfast Lions Club St. Patrick's Day Brewfest in Porterville, Calif., March 15, 2014.
Chieko Hara/The Porterville Recorder/AP Photo

"Shamrock," an Irish wolfhound, walks in the St. Patrick's Day parade in Chicago, March 15, 2014.
Paul Beaty/AP Photo