In 2002, he toured the UK as part of the lineup of the Four Tops, and is now a permanent member of the group, singing alongside former Temptations member Theo Peoples, Lawrence Roquel Payton, Jr. and original member Abdul Duke Fakir.
In 2002, Ronnie toured the UK as part of the lineup of the Four Tops, covering for Levi Stubbs, who was unwell at the time. He is now a permanent member of the group, singing alongside Theo Peoples, Lawrence Roquel Payton, Jr. and original member Abdul Duke Fakir.