This songstress brought some Californian sun to the stage with a bold polka dot jumpsuit in 2012 This image appears in the gallery:QUIZ: Guess The Previous Capital Summertime Ball Star... From Their Silhouette! 5. This songstress brought some Californian sun to the stage with a bold polka dot jumpsuit in 2012 Can you guess who? Picture: PA 22 images See the full gallery: QUIZ: Guess The Previous Capital Summertime Ball Star... From Their Silhouette!