Popsugar Celebrity Celebrity Birthdays Stars Who Turn 50 Years Old This Year | 2015 All the Celebrities Turning 50 in 2015 May 13, 2015 by Marina Liao View On One Page Photo 9 of 24 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Jeremy Piven Birthday: July 26, 1965 What he's been up to: The actor has stayed busy promoting Mr. Selfridge and the upcoming Entourage movie, out June 5. Previous Next Start Slideshow Ben StillerBrooke ShieldsChris RockViola DavisCelebrity BirthdaysRobert Downey Jr.