Posted on 23rd March 2009 12:00PMKaty Perry and Josh Groban are dating.
The 'I Kissed A Girl' singer has been on a series of intimate dates with the US singer-songwriter, but the pair are keen to keep their fledgling romance out of the spotlight.
A source said: "They've been trying to keep it very low profile."
Katy, 24, has previously admitted she is attracted to the 28-year-old singer.
She said: "Who's my most embarrassing crush? I suppose it would have to be Josh Groban. He is actually really cute!"
Katy - who joked she was planning to remain celibate after splitting from Gym Class Heroes rocker Travis McCoy earlier this year - was recently forced to deny she was dating Paris Hilton's ex-boyfriend Benji Madden.
The pair sparked romance rumours after they were spotted together in Las Vegas on Valentine's Day (14.02.09).
Katy wrote on her blog: "It's two pseudo famous people sitting next to each other... doesn't mean we were bumping uglies! You know I don't just do that with anyone!"
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