Chrissie Hynde of The Pretenders guest starred on the “Friends” episode “The One with the Baby on the Bus.” In the plot, Joey and Chandler are left to babysit Ben when Monica takes Ross to the hospital. Meanwhile, Phoebe loses her singing gig at Central Perk to professional singer Stephanie Schiffer (Hynde), who sings “Angel of the Morning” and learns “Smelly Cat” from Phoebe (Lisa Kudrow).
