The 22-year-old shared the news on micro-blogging webiste Twitter, reports aceshowbiz.com.
"So Madison square garden sold out in 3 minutes. Mental. Here's some more news...," the 22-year-old singer tweeted.
He then announced the second date of his show at the same venue.
"I'm very happy to announce a second date at the Madison Square Garden on October 29th. Tickets go on sale after Labor Day (Sep 2)," he tweeted.
--IANS (Posted on 25-08-2013)