The singer, 24, arrived at the star-studded gig on Friday night (5 December) rocking a colourful Aztec-inspired outfit and an edgy fringe!
'Shine Ya Light' star Rita turned up at the Staples Centre in Los Angeles in a monochrome mini-skirt with embellished front panel and revealing slits up each side - and check out her powerhouse legs!
She teamed the striking skirt with a more casual black and yellow long-sleeved T-shirt emblazoned with a sizzling sun.
On the back, it read 'Suburbia Gladiator'.
Alongside her strappy heeled sandals, Rita chose to add some jagged edges to her usually blunt blonde fringe.
After the event, where she performed her single 'Black Widow' with Iggy Azalea, Rita told fans: "I heart jinglebell ball thank you for having me!! You were awesome! LA!!"
The new The Voice judge also teased fans about some exciting upcoming projects...
Sharing a picture of her hand across a script, she wrote: "Script time. I can't wait for you all to see what's coming up next year so many exciting projects!! Music, movies, clothes - we do it all! If you can why not?? #ORAtakeover."
Taylor Swift, 5 Seconds Of Summer, Ariana Grande, Sam Smith, Pharrell, Meghan Trainor, Charli XCX and Jessie J also performed at the LA event.
Iggy Azalea flaunted her famous curves in a super-tight black dress, while the ever-chic Taylor Swift looked stunning in a glittering gold skirt just perfect for the Christmas season!
Which singer would you most like to see perform on stage? Tell us in the comment box below and you could win £50!
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