Discuss as:

TODAY trends on Twitter amid One Direction mania


One Direction and their legion of fans pushed "TODAY show" and "1DTODAY" into a trending Twitter topic in the U.S.

The frenzy wasn't just online thousands crammed into Rockefeller Plaza and the surrounding blocks to catch the boys from Britain.

"We have never, ever had a crowd this big," Al Roker said. "This one breaks ALL the records."

Join in the fun: tweet with the hashtag #1DTODAY. 

And see photos of the crowd here

More on TODAY.com:
One Direction fans travel cross-country, sleep on subway grates
OMG! 9 best fan reactions at One Direction concert 
One Direction announces a new direction -- a 3D movie 
Sometimes, it's OK to indulge your kids' obsession