Mark Hoppus Makes Surprise Appearance at Pop-Punk Band’s Show

This week, Mark Hoppus returned to the stage when the blink-182 co-founder who last year overcame cancer hopped onstage with fellow pop-punkers Beauty School Dropout during the burgeoning band's Aug. 17 show at Los Angeles' Moroccan Lounge. The surprise appearance came during Beauty School Dropout's performance of their song "Almost Famous," which also features Hoppus on the studio version and…