Phil Collins' representative spoke out to downplay concerns about his health, according to reports. A spokesperson for the Genesis drummer, 74, told TMZ that Collins has been hospitalized to undergo knee surgery, but assured fans that there is no reason to worry. Speculation about Collins' health had spread through social media following the deaths of three celebrities - The Cosby Show actor Malcolm-Jamal Warner, heavy metal icon Ozzy Osbourne and WWE superstar Hulk Hogan - over the past week. Us Weekly has reached out for comment from Collins' representation.