Hargitay waves to admirers outside of David Letterman's N.Y.C. studios. Plus: Julianne Hough, the Idol judges & more!

SCARE TACTICS

No need to worry, Ashley Tisdale – your hubby Christopher French will save you! The newlyweds play along at Thursday's after-party for the season 5 premiere of The Walking Dead at the Universal Studios backlot in Universal City, California.