Jonas Brothers treated fans recently with a cover of Rihanna's hit track 'Diamonds'.

The US trio were performing at Los Angeles' Pantages Theater on Tuesday (November 27) when they decided to pay homage to a couple of acts.

Nick Jonas slipped into a performance of Rihanna's latest single 'Diamonds', with the crowd lapping up the tune before the whole band joined in.

They also performed a mash-up of their own track 'Tonight' with fun.'s global smash hit 'We Are Young'.

As previously reported, the Jonas Brothers recently said that their new material shows a "growth" from their previous work, commenting: "We're trying to infuse classic influences with some of the more modern influences. We want to put on a great show for our fans."