CLAIM: Miley Cyrus and John Mayer Are Hooking Up

Clive Davis Grammys John Mayer miley cyrus So Undercover Star

2:25 pm, February 16th, 2011

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Miley Cyrus and John Mayer are hooking up, reports Star magazine, which claims “they got touchy-feely behind the scenes in L.A. during Grammys weekend!”

According to the tabloid, sparks first “ignited” between the two at Clive Davis‘ annual pre-Grammys party at the Beverly Hilton Hotel on February 12.

“She followed John around all night like a puppy dog,” a supposed eyewitness tells the mag. That same source adds she then “put her arm around his waist, and even grabbed his behind,” and Mayer “reciprocated.”

Wowza.

Click on to the hottest PHOTOS of the week!

But wait… There’s more!

The mag says, “Things got even hotter between them the following evening at the Grammys.” Another alleged “eyewitness” says Mayer “leaned over and kissed” Cyrus backstage when he thought no one was looking.

After this claimed kiss, the So Undercover star supposedly “slapped his butt and told him, ‘You rock!’”

Now, the 18-year-old star is apparently telling friends that “she believes she can make John a one-woman man.”

Seriously?

No.

A source close to Cyrus tells Gossip Cop that talk of a hookup between her and Mayer is “not true,” and that “they only said ‘hello’ in passing,” at both the Clive Davis party and Grammys.

Now time to slap the behinds of the staffers at Star - and tell them they don’t rock.

See PHOTOS of Miley and her mom grabbing breakfast

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