Kevin Mazur/PMA2014/WireImage
People Staff
April 17, 2015 01:45 PM

Josh Groban is plenty popular, but he’s the first to admit that he didn’t have much game growing up.

“I was a theater nerd and the nerd in my class, so even saying hi was a really big deal,” Groban, 34, tells PEOPLE in this week’s issue.

The singer, whose new musical theater album Stages drops April 28, may be dating actress Kat Dennings, 28, but if he were single, he has a go-to pickup line:

“I like the polar bear line: ‘Do you know how much a polar bear weighs? It’s enough to break the ice. Hi, how are you?’ It beats Tinder!” he says.

And while Groban – with his curly locks – has always been distinctive, some fans think he has a doppelgänger.

“[People think I am] James Blunt, quite a bit at one point,” Groban reveals. “And Richard Gere all the time. Okay, that’s only by my mom.”

For more on Groban – including his best celebrity imitation – pick up this week’s issue of PEOPLE, on stands Friday


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