You've heard Christina Perri's song "Jar Of Hearts" on Mix 93-1 and you might have heard her latest "Arms" on the air too or might have even seen the video here on mix931fm.com.  Thanks to the help of VH1, we've got a few inside facts on Christina that will turn you into a bona fide expert on her!  See them after the jump.

When Vh1 last spoke to her she had 36 tattoos, but now that's changed

Now having 38 tattoos, she's able to choose her favorite out of them all

Before being discovered and her song featured on So You Think You Can Dance, she had a ton of other jobs

Christina has heard some good stories from people on what "Jar Of Hearts" means to them.