Invite: Heart-shaped cards if snail mail, pictures of cookie hearts, or heart-themed Evite
Food: Frosted heart cookies, NECCO sweetheart conversation candies, and French fries with fry sauce (a Utah specialty Jenna mentions - mix mayo and ketchup about 50/50 - yum!)
Décor: More hearts. T-shirts that say, "I survived childhood and all I got was this lousy T-shirt." Toy rings to honor the ring that Cameron leaves in Jennifer's lunch box.
Movies: Slumdog Millionaire (main character forges bond with girl through childhood, and devotes his life to finding her). Also, the TV show My So-Called Life was all about this teen girl shedding an old identity and looking for a new one, but people and things from her past self keep intruding on her efforts to be different.
And, may I just add the BEST. CLIP. EVER. from My So-Called Life? If you're unfamiliar, prepare to swoon: