Pet costumes aren’t new, but designer Leah Workman has put a new twist on it for so-called “pet-parents” who want to nurture the inner pop star of their “pet-child.” Her handmade fashion wigs turn your beloved cat or dog into Katy Perry or Lady Gaga. Squint your eyes as you look at the slideshow to see if you can spot the famous idols these pets are striving to emulate. This is how we spend $55 billion on pets in 2013.