Sternum tattoos are slowly becoming more and more popular, just as underboob and sideboob pieces have been. Though not as discreet as underboob tattoos, they are still just as sexy. Above we have an awesome minimalistic sternum tattoo just in time for Valentine's Day. We love the cool illustrative techniques that went into bringing this heart-turned-pin cushion to life, such as its great sketch work lines and incredible color saturation. Whether you wear your heart on your sleeve or your chest, you're definitely going to want to see more of our favorite sternum tattoos and pieces to get you ready for Valentine's Day right here.