People.com — She describes the picture of her boyfriend as "Santa Baby" on Twitter more info

ContactMusic — Katy Perry and John Mayer helped spread a little holiday cheer over the weekend (22Dec12) by visiting patients at a hospital in California.The... more info

Big Apple Music Scene — Last night, while you were stuffing your face with pie or watching How the Grinch Stole Christmas with your family, John Mayer was dressing up as Santa Claus, and Katy Perry was taking a picture of it. More »Katy Perry Tweets Photo Of John Mayer Tha... more info

People.com — The pop star and singer-songwriter are "happy together," says a source. more info

ContactMusic — John Mayer has designed a guitar for Katy Perry's Christmas present.The womanising rocker - who has previously dated stars including Jennifer... more info

411 Mania — He apparently has a friend with benefits... more info

ContactMusic — Singer/songwriter John Mayer is offering a fan the chance to create his new music video and win $5,000 (£3,125).The Who Says hitmaker has teamed up... more info

ContactMusic — The Rolling Stones wrapped up their 50th anniversary tour on Saturday night (15Dec12) with a star-studded set featuring Lady Gaga, John Mayer, The... more info

Consequence of Sound — Gary Clark Jr. and John Mayer, too. more info

Starpulse — Singer/songwriter John Mayer will join the The Rolling Stones at the group's New Jersey show in Newark on Thursday night - but don't expect him to sing. Katy Perry's rumored boyfriend was silenced... more info