It's a Boy Girl Thing (2006)

When teenager Elle's first kiss leads to a forbidden romance with the hottest boy in high school, she risks her relationship with her best friend.

When a young couple buys their dream home, they have no idea what the sweet little old lady upstairs is going to put them through!

For a long time, Natalie, an Australian architect living in New York City, had always believed that what she had seen in rom-coms is all fantasy. But after thwarting a mugger at a subway station only to be knocked out while fleeing, Natalie wakes up and discovers that her life has suddenly become her worst nightmare—a romantic comedy—and she is the leading lady.

Christopher is an ambitious college freshman, striving to become a writer. Through a computer fault he's assigned the same room as Alex, a real party freak and... a girl! He's annoyed and tries to get a different room as soon as possible, but when he learns to know her, he also starts to like her. She not only improves his sexual life, but also his writing skills

After discovering they are all dating the same same guy, three popular students from different cliques band together for revenge, so they enlist the help of a new gal in town and conspire to break the jerk's heart, while destroying his reputation.

With college decisions looming, Elle juggles her long-distance romance with Noah, changing relationship with bestie Lee and feelings for a new classmate.

Two unpopular teenagers, Gary and Wyatt, fail at all attempts to be accepted by their peers. Their desperation to be liked leads them to "create" a woman via their computer. Their living and breathing creation is a gorgeous woman, Lisa, whose purpose is to boost their confidence level by putting them into situations which require Gary and Wyatt to act like men.

Lara Jean's love life goes from imaginary to out of control when her secret letters to every boy she's ever fallen for are mysteriously mailed out.

High school hotshot Zach Siler is the envy of his peers. But his popularity declines sharply when his cheerleader girlfriend, Taylor, leaves him for sleazy reality-television star Brock Hudson. Desperate to revive his fading reputation, Siler agrees to a seemingly impossible challenge. He has six weeks to gain the trust of nerdy outcast Laney Boggs -- and help her to become the school's next prom queen.

When best friends and total opposites Debbie and Peter swap homes for a week, they get a peek into each other's lives that could open the door to love.