"This is Boston's finest," Southie resident Casey Collins shouted over the roar of Bostonians singing along to "Sweet Caroline" as a musical float rolled by on 5th St. "We love our town, we love each other,

The annual celebration’s start time was moved to 11:30 a.m., in a bid to curb excessive rowdiness and overcrowding.

The 264th City St. Patrick’s Day Parade marches up Fifth Ave. at 11 a.m. Monday. The events begins at E. 44th St. and ends at E. 79th St.