Bruno Mars and Lady Gaga in the music video for “Die With a Smile.” The duo of powerhouse vocalists released the ballad as a single on Aug. 16, revealing a retro-inspired music video alongside it.

What's even more interesting is that when Bruno Mars posted a selfie on his Instagram wearing a Lady Gaga t-shirt, the grapevine went into overdrive. Fans posted comments like, “WHAT DOES THIS ...

The Weeknd, Bruno Mars, Jack White, Arctic Monkeys, Travis Scott, the National, Vampire Weekend and Odesza will headline Lollapalooza. The lineup, announced Wednesday for the festival Aug. 2 to 5 i… ...

Michelle Pfeiffer and Bruno Mars posed for a selfie together after the ‘24K Magic’ singer namechecked the actress in his "Uptown Funk" lyrics.

CHICAGO (CBS) --Bruno Mars, Jack White, Arctic Monkeys, and The Weeknd will headline this year's Lollapalooza music festival at Grant Park. The full lineup was announced Wednesday morning. Other ...