Routinely exploited by her wicked stepmother, the downtrodden Samantha Montgomery is excited about the prospect of meeting her Internet beau at the school's Halloween dance.

Lizzie McGuire has graduated from middle school and takes a trip to Rome, Italy with her class. And what was supposed to be only a normal trip, becomes a teenager's dream come true.

Top student Jane Ryan heads to Manhattan for a college-scholarship competition. Her rebellious twin Roxy Ryan goes along to crash a video shoot. But anything can happen - and does - in a romp involving a pursuing truant officer, a smuggler, hunkalicious guys and the girls' realization that when the chips are down, a sister can be the best friend of all.

2006 film by Nick Hurran

Georgia Nicolson is fourteen, lives with nosey parents who don't understand her, an annoying three year old sister and has to wear a beret to school. She would, however, rather be blonde, have a smaller nose and a boyfriend. Revolving around her hilarious journal entries, prepare to be engulfed in the world of the soaring joys and bottomless angst of being a teenager.

Sixteen-year-old Poppy has everything her unlimited credit cards can buy, and a spoiled attitude to match. After a final thoughtless prank, her exasperated father ships her off to boarding school in England. There, Poppy meets her match in a stern headmistress and a class full of girls who will not tolerate her selfishness.

Viola Hastings is in a real jam. Complications threaten her scheme to pose as her twin brother, Sebastian, and take his place at a new boarding school. She falls in love with her handsome roommate, Duke, who loves beautiful Olivia, who has fallen for Sebastian! As if that were not enough, Viola's twin returns from London ahead of schedule but has no idea that his sister has already replaced him on campus.

Hallie Parker and Annie James are identical twins separated at a young age because of their parents' divorce. Unknowingly to their parents, the girls are sent to the same summer camp where they meet, discover the truth about themselves, and then plot with each other to switch places.

Mother and daughter bicker over everything -- what Anna wears, whom she likes and what she wants to do when she's older. In turn, Anna detests Tess's fiancé. When a magical fortune cookie switches their personalities, they each get a peek at how the other person feels, thinks and lives.

Jimmie is seeing his single friends get married one by one. He isn't too worried until his girlfriend Anne catches the bouquet at his friend Marco's wedding. Suddenly, his wild mustang days are numbered. He finally decides to propose to her, but he sticks his foot in his mouth and botches the proposal. Being insulted by the defeatist proposal, Anne leaves town on an assignment. After she's gone, he finds out that his recently-deceased grandfather's will stipulates that he gets nothing of a multi-million dollar fortune unless he's married by 6:05pm on his 30th birthday: tomorrow! Not being able to find Anne, Jimmie begins backtracking through his past girlfriends to find a wife.

2003 film by Donald Petrie

A romantically challenged morning show producer is reluctantly embroiled in a series of outrageous tests by her chauvinistic correspondent to prove his theories on relationships and help her find love. His clever ploys, however, lead to an unexpected result.

More than a dozen Angelenos navigate Valentine's Day from early morning until midnight. Three couples awake together, but each relationship will sputter. A grade-school boy wants flowers for his first true love. Two high school seniors plan first-time sex at noon. A TV sports reporter gets the assignment to find romance in LA. A star quarterback contemplates his future. Two strangers meet on a plane. Grandparents, together for years, face a crisis. An 'I Hate Valentine's Day' dinner beckons the lonely and the lied to.

GiGi(Ginnifer Goodwin 饰)是个对爱情充满幻想的女孩儿，却在一次次约会中受挫。她的闺蜜Beth（Jennifer Aniston 饰）和Janine（Jennifer Connelly 饰）不断鼓励GiGi在感情中振奋起来，却各自对爱情怀有遗憾。Beth与Neil（Ben Affleck 饰）同居七年，却一直未能等来期待的那枚婚戒。Janine的敏感让她与Ben（Bradley Cooper 饰）的婚姻陷入僵局，而Ben与歌手Anna（Scarlett Johansson 饰）的婚外情更是给他们的婚姻雪上加霜。Anna一边拒绝拥趸Conor（Kevin Connolly 饰）的示好，一边热情似火的期待Ben离开Janine，可是Ben真的能离开Janine来到她的身边么？另一方面Anna的好友Mary（Drew Barrymore 饰）在一个清晨和Conor面对面的不期而遇了。
几个女孩儿带着爱情的梦想在城市中跌跌撞撞，而此时一直未遇真爱的GiGi在酒吧老板Alex（Justin Long 饰）的口中听到了让所有女人心碎的话“He is just not that into you!”

Eight London couples try to deal with their relationships in different ways. Their tryst with love makes them discover how complicated relationships can be.

Nine years after Jesse and Celine first met, they encounter each other again on the French leg of Jesse's book tour.

A young man and woman meet on a train in Europe, and wind up spending one evening together in Vienna. Unfortunately, both know that this will probably be their only night together.

Joel Barish, heartbroken that his girlfriend underwent a procedure to erase him from her memory, decides to do the same. However, as he watches his memories of her fade away, he realises that he still loves her, and may be too late to correct his mistake.

As adults, best friends Julien and Sophie continue the odd game they started as children -- a fearless competition to outdo one another with daring and outrageous stunts. While they often act out to relieve one another's pain, their game might be a way to avoid the fact that they are truly meant for one another.

1993 film by Alexandre Jardin