Artists from Lesley Gore in the ‘60s to Stevie Wonder in the ‘80s to Katy Perry in the 21st ... birthday-themed music, because let’s face it — birthdays can be complex. Along with all the ...

Billie Eilish is in the birthday spirit — and the holiday spirit. The singer turned 21 years old over ... Billie's birthday cake was also perfectly tied to theme, a multi-tiered frosted treat ...