LAS VEGAS, NV - MAY 22: Singer Kesha performs onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)
Photo by Ethan Miller/Getty Images for ABC
How Old Is Ke$ha?
Photo by Carlos Alvarez/Getty Images
#10. Ke$ha is 24-years-old and was born on March 1, 1987! She’s an ’80s baby just like Bruno Mars!