Paper Heart

Paper Heart is a 2009 American romantic comedy film starring Charlyne Yi and Michael Cera as fictionalized versions of themselves based on their rumored relationship, though Yi has said they never dated and remain friends.citation needed

The film follows Charlyne as she embarks on a quest across America to make a documentary about a subject she does not understand love. As she and her good friend and director Nick search for answers and advice about love, Charlyne talks with friends, strangers, scientists, bikers, romance novelists, and children. They each offer diverse views on modern romance, as well as various answers to the ageold question does true love really exist?Shortly after filming begins, Charlyne meets a boy after her own heart Michael Cera. As their relationship develops on camera, her pursuit to discover the nature of love takes on a fresh new urgency. ........

Source: Wikipedia