Mars has also topped the chart with "Locked Out of Heaven," "When I Was Your Man," "Uptown Funk," "That's What ... Dark Hair While Showing Off Bruno Mars T-Shirt — and Fans Think It's a Collab ...

Bruno Mars invited “pop royalty” onto ... For his part, the “Uptown Funk” artist sported a pink collared T-shirt and black pants. Countless celebrities were in attendance for Bruno ...