Swizz Beatz and Alicia Keys
Anthony J. Causi/Splash News Online
03/22/2010 AT 06:00 AM EDT
and beau Swizz Beatz
, acting affectionate and sticking close during a bash the R&B star threw for her good friend Erika Rose at New York's Juliet Supper Club. Keys brought in special flower arrangements and a cake for Erika – plus lots of balloons. The chef also created a special vegan menu for Keys.