Neil Patrick Harris has been presented with a star on the famous Hollywood Walk of Fame. The 38-year-old actor's career has spanned over twenty years in TV programs like Doogie Howser, M.D. and Stark Raving Mad, in addition to film roles in Starship Troopers and recent box-office smash The Smurfs. Harris attended the presentation ceremony in Los Angeles on the Hollywood Boulevard this week near the renowned Pantages theatre. Also attending were Harris's How I Met Your Mother co-star Jason Segel and long-term partner David Burtka. Harris's current show How I Met Your Mother will return to CBS for its seventh season on September 19.