Katy Perry "Birthday" RIAA Digital Single Award Pantera Written by Philadelphia hit-makers Gamble

Written by Philadelphia hit-makers Gamble and Huff

which hit #13 on the chart

1996 and was certified Platinum by the RIAA on March 27

Page's autograph is extremely difficult to get

Alex Gaskarth of All Time Low ("Freaking Me Out") and rapper K'naan ("Summer Paradise")

Katy Perry "Birthday" RIAA Digital Single Award Pantera Written by Philadelphia hit-makers GambleRIAA Gold Digital Single Award for Katy Perry track "Birthday" Released on Oct. 22, 2013, the track was certified Gold on June 26, 2014 by the RIAA for 500,000 copies digitally sold. From her 2013 album Prism, the track went to #17 on the Billboard Hot 100 chart, becoming her 15th top 20 hit, and charted on many other world music charts. It also topped the Billboard Hot Dance Club Songs chart. By 2015, it was certified Platinum by the RIAA for one