Rita joined a host of stars for the first weekend of the annual music festival in California on Saturday and Sunday.
Beyoncé's husband Jay Z - who is also Rita's Roc Nation boss - joined rapper Nas for an iconic performance on stage, and Beyoncé also surprised fans by joining sister Solange for a choreographed dance routine.
Posting a photo to Instagram last night (15 April), in which Rita and Queen B are seen embracing with a hug, Rita said: "This was the best surprise of the whole festival @beyonce #myheartmeltseverytime #loveyoumissthang #coachella."
'Shine Ya Light' singer Rita travelled in style as she arrived at the festival over the weekend, and jumped on a private plane wearing a boho-style floaty black dress.
Rita, who was signed by Jay Z's long-running Roc Nation label in 2009, supported close friend Ellie Goulding, who was performing a set at Coachella.
On Sunday evening, Rita prised herself away from the festival to present the 'Best Shirtless Performance' award at the MTV Movie awards - and she ended up ripping Zac Efron's shirt off on stage!
Elsewhere, Rita is set to perform new music from her forthcoming studio album at a special London gig on 13 May.
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Watch Rita's music video for 'Radioactive' below: