Bruno Mars joins Karol G at SoFi Stadium for live debut of 'Still,' filmed for music video

Bruno Mars appeared as a surprise guest during Karol G's second of three sold-out SoFi Stadium shows in Los Angeles on Aug. 15, performing their collaboration 'Still' live for the first time. A video-screen message told the 70,000-capacity crowd the performance was being filmed for the track's official music video, Billboard reported. 'Still' was released Aug. 7 on Universal Music Group.