POPSUGAR Celebrity John Mayer Slide Picture of John Mayer Performing in Chicago Best Face Forward by Celebrity 8/16/10 0 Shares Like us on Facebook Sign up for our daily newsletter > Follow us on Pinterest John Mayer was lost in song on Saturday during a performance in Chicago. Image Source: WENN.com Read More HotJohn Mayer John Mayer 14 Dreamy Selfies of John Mayer Staring Into Your Soul See Allison Williams's Gorgeous Ranch Wedding Katy Perry Cozies Up to John Mayer at Allison Williams's Wedding The Most Surprising Celebrity Sex Confessions POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests. Be in the Know With OurCelebrity and Entertainment Newsletter Personalize Young Hollywood TV Movies A-Listers Sign up with facebook or By signing up, I agree to the Terms and to receive emails from POPSUGAR. Louie 5 years Yuck. Louie 5 years Yuck.