Rumor has it that Adele is planning a small wedding with a '50s theme to her fiance and baby daddy, Simon Konecki. According to reports, Adele is considering wearing a black wedding gown. Only time will tell! Rihanna is allegedly planning a black and white wedding. A source says, "Rihanna has her heart set on black and white, which she thinks sums them up perfectly. She also wants a traditional rum cake."