Video: Interview • Katy Perry (@ Walmart Soundcheck)

Photogenic pop starlet Katy Perry didn't land three #1 singles off her Grammy-nominated album Teenage Dream without doing loads of promotion. And one appearance that recently surfaced online is Perry's recent performance for Walmart Soundcheck, where the patriotic songstress did songs from both One Of The Boys and her recent album at the gig. Head below to determine if her live vocals were actually up to scratch this time. First, here's Katy's Soundcheck interview. "For this record, Teenage Dream [...]