Ben Affleck and Jennifer Lopez celebrated their relationship with some permanent body art.In a Valentine's Day post shared by Lopez to Instagram on Tuesday, the songstress revealed that she and Affleck have thematically matching tattoos featuring each other's initials.«Commitment ♾️» Lopez captioned a slideshow of snapshots featuring different cute pics of the happy couple. «Happy Valentine’s Day my love.»The cover pic of the carousel post reveals that Lopez got an infinity symbol, bisected by a vintage arrow, tattooed on her side, across her ribs.A post shared by Jennifer Lopez (@jlo)Meanwhile, the post also shows Affleck's tattoo, which features two arrows crossing over each other, with the letters J and B — standing for Jen and Ben.The post also shares numerous smiling selfies of the couple, from their time together on a yacht to their lavish wedding, and more.