Celeste Rizvana Buckingham is a Slovak singer and songwriter. Buckingham began her career in 2011, after finishing fifth in the second season of Česko Slovenská SuperStar, the joint Czech-Slovak version of Idol.

Česko Slovenská SuperStar is the joint Czech-Slovak version of Idol series' Pop Idol merged from Česko hledá SuperStar and Slovensko hľadá SuperStar which previous to that had three individual seasons each. The second season premiered in February 2011 with castings held in Prague, Brno, Bratislava and Košice. It is broadcast on two channels: «TV Nova» and «Markíza» (Slovakia) which have also been the broadcast stations for the individual seasons. Also both hosts have been their hosts countries before as have been three out of the four judges. To legitimate a fair chance for each country's contestants to reach the final, twelve of the contestants will compete split into genders and nationalities in the semifinals, guaranteeing a 50% share for each country in the top 12.