One might not expect four-time Tony winner and Juilliard-trained star Audra McDonald to discuss scatalogical urges while singing or dish on whether Taye Diggs, Sean “Diddy” Combs or fiancé Will Swenson is the best kisser, but that’s the wonder of Susan Blackwell—she inspires total honesty! In this hilarious Side by Side, the Porgy and Bess star holds nothing back as she discusses what's in her onstage "happy dust" at the Richard Rodgers Theatre, her girl crushes on her Private Practice co-stars and much more. See McDonald let her hair down during a spa day with Blackwell; click below!