Justin Bieber playfully took over the Twitter account of ‘Today’ show co-host and Twitter newbie Matt Lauer last Friday.

According to E! News, the 18-year-old pop superstar stopped by NBC program ‘Today’ at the Rockefeller Center for an interview. With numerous Beliebers camped outside the studio, Lauer explained to Bieber that he had just signed on to Twitter on Thursday under the handle @MLauer. The ‘Today’ co-host openly wondered if The Biebs would be kind enough to show him how to send a tweet for him.

Being the King of Twitter, Justin Bieber agreed to help Matt Lauer out. “I’m going to speak very proper,” Bieber told Lauer, “Because I know that’s how you talk.”

But when Lauer attempted to dictate what Bieber should write, the ‘Die In Your Arms’ singer mischievously took it upon himself to plug his new album ‘Believe.’

“Hello,” Justin Bieber tweeted using Lauer’s handle @MLauer, “Everyone go buy Justin bieber’s album #believe coming out June 19th.”

“You didn’t write any of the stuff I asked you to write?” Lauer laughed.

E! News reported that @MLauer rapidly trended because of Bieber’s cheeky intervention. Matt Lauer gained 34,000 followers in just nine minutes. At the last count during Friday, Lauer had more than 100,000 followers.

“Bieber’s power!” the very proud Matt Lauer tweeted a little later, this time by himself.

Justin Bieber is currently holding the US leg of his ongoing series of free concerts. The Canadian singer has more than 23 million followers on Twitter; only Lady Gaga has more followers than him.