The iconic crooner made his Broadway debut in 2007 in the smash musical Chicago.
(Photo: Frederick M. Brown/Getty Images)
These vocalists conquered the Great White Way.
The R&B "love doctor" turns 44.
(Photo: Arnold Turner)
Prince, Brian McKnight and Al B. Sure! also celebrate this week.
Singer Brian McKnight was born in Buffalo, New York, on June 5, 1969.
Stars who switched it up.