The pair played 'Getting Older' and Gorillaz' 'Feel Good Inc'
The short will be released on Disney+ later this month
Music's Biggest Night took over Las Vegas with an evening of awards, action and controversy
The annual awards show is being held in Las Vegas after being postponed due to the COVID-19 pandemic
The pop star paid tribute to Foo Fighters' Taylor Hawkins with her outfit during the performance
The pair expressed their "support and solidarity with the millions of people who've been forced to flee their homes and leave everything behind"
The online 'Stand Up For Ukraine' event takes place next weekend
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The pair also performed the Bond theme tune at the Los Angeles ceremony tonight (March 27)
The siblings are also nominated for Best Original Song at the Hollywood awards show