It's so non-committal to just text your friends about how in love you are. Sure, you can share a lip balm like Kendall Jenner and A$AP Rocky or boast a seductive lip stain like Amber Heard and Elon Musk , but that’s too boring, right? Tattoos, on the other hand, are the ultimate commitment. After all, it certainly shows the world you’re in it for the long haul. Check out the pair's ink below.