Celeste Rizvana Buckingham (born May 3, 1995) is a Slovak singer and songwriter of Swiss-American origins. The former finalist of Česko Slovenská SuperStar (2011), Buckingham gained early recognition on the second season of the Czech and Slovak reality television series SuperStar, but quickly climbed her way up the charts in multiple countries. Her biggest hit Run, Run, Run has broken records across the board, and her last album Bare, received high praise from both critics and artists alike.

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Celeste has received many accolades for her musical achievements, including an MTV EMA award, multiple Best New Artist Awards, and A Lifetime achievement award in 2018. Her music has also been featured on the Billboard charts two times in the TOP 30 Pop Categories. At age 22 she was listed as one of Forbes's 30 under 30 most successful people of Slovakia. 

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Celeste is also an active philanthropist and activist, promoting body positivity, fighting for women's rights, and the protection of children in her home country and abroad.