Lance Bass, fiance Michael Turchin at Backstreet Boys concert (Photos)

Slideshow posted in Photos | Thursday, September 05, 2013

3 of 5: Lance Bass and fiance Michael Turchin appear at a Backstreet Boys concert at the Gibson Amphitheatre in the Universal City area of Los Angeles on Sept. 4, 2013. ( Photo / Jacob Burch /

Get more: Music, Celeb Couples