The young singer also reveals all about how he met the 'Doo Wops & Hooligans' singer.
Bruno Mars' 'It Will Rain' Covered By Seven-Year-Old
A young fan has attracted the attention of the singer after posting video online.
Bruno Mars' hit single 'It Will Rain' has encouraged a seven-year-old fan to record his own version and post it on YouTube.
The 'Grenade' singer uploaded a link to the fan's video on his personal Twitter account saying he really enjoyed the track.
He tweeted: "Awesome!! my favorite part is 3:16 ."
The young fan, called JD, leaps behind his piano and gives a big smile to the camera before introducing the song.
A four-year-old Ed Sheeran fan recently took similar inspiration from the singer's hit 'Lego House' to produce her own video for the song.
You can watch the video of seven-year-old JD performing 'It Will Rain' below:
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Watch the retro themed promo for the singer's latest track right now on Capital.