People.com — Despite being sporting a ruby on her ring finger, a source tells PEOPLE Perry and Mayer are "not engaged" more info

Starpulse — Reports have surfaced that Katy Perry is engaged to boyfriend John Mayer, and her publicist is neither confirming nor denying them.   On Valentine's Day, the pop star was spotted with a ruby ring o... more info

ContactMusic — John Mayer gave Katy Perry a heart-shaped red ruby ring for Valentine's Day.The 28-year-old 'Part of Me' singer - who split from Russell Brand in... more info

Topix — Singer Katy Perry and musician John Mayer attend the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. more info

ContactMusic — Katy Perry's publicists are refusing to confirm or deny reports suggesting the singer is engaged to wed boyfriend John Mayer.The I Kissed a Girl... more info

Big Apple Music Scene — In a shocking Hollywood scandal that we'll all remember for the rest of our lives, John Mayer accidentally took his girlfriend-ish Katy Perry out on a Valentine's Day date. While his publicist hasn't issued an official statement yet, we're hearing wo... more info

People.com — Plus, more star sightings! more info

ContactMusic — Fashion forward stars including Jennifer Lopez, Katy Perry and Kanye West turned out to support designer Tommy Hilfiger at the opening of his new... more info

Starpulse — Katy Perry is reportedly no longer speaking to Rihanna because the singer doesn't approve of the Barbadian beauty's relationship with Chris Brown. Perry is reportedly unhappy with RiRi's decisio... more info

Topix — Katy Perry and Rihanna were once BFFs, but now, a man has come between them: Chris Brown . more info