Here's what we know!
Hooligans and Monsters it happened!!!
Bruno Mars and Lady Gaga have teamed up.
Gaga teased fans by commenting on photos of Bruno, which got fans very excited.
Then, Gaga posted a video of her rocking a Bruno Mars t-shirt while playing the piano.
AND FINALLY, the pair released their track 'Die With A Smile', which we are playing on Hi FM.
Lady Gaga has now earned her first number-one hit on US Apple Music with “Die With A Smile.”

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