"He loves me, he loves me not ... Alexis leaves a Valentine's Day surprise for her crush. Does he like her back? Despite objections from her Cupcake Club pals, Alexis makes a special valentine cupcake for her crush, Emma's older brother Matt, and leaves it for him next to his computer. Alexis is secretly hoping Matt will get the hint and give her a valentine, too. But ever since Alexis left the cupcake, Matt's been acting really uncomfortable around...

"Things are slow at the cupcake shop this summer, and so when Mia's dad invites her on a long weekend trip to meet some of his college friends, she jumps at the chance--especially when she hears they have daughters her age. It turns out the girls work in an ice cream shop. Not only does Mia end up making new friends--she comes back with a new invention for the Cupcake Girls: an ice-cream cone cupcake!"--

When Alexis decides she wants to be more like her popular older sister, Dylan, she tries out for cheerleading, without really thinking about what that entails, including that her sister was a star on her cheerleading squad.

Aspiring to win the science fair with a project that proves that cupcakes are good for you, Alexis finds her ambitions challenged by her crush's association with another girl and a cupcake order for a mean girl's sweet sixteen.

When Katie's best friend Callie leaves her for a clique called the Popular Girls Club on the first day of middle school, Katie decides to find a group that she can join.

"When Mia reads about a Design-a-Dress contest in a magazine for "budding designers ages 12-16" she is excited. But she doesn't realize how much work designing--and sewing--a dress truly is until she starts on her contest entry. While Mia stresses out about all the work she has to do, she and Katie have an argument about, of all things, fashion preferences! Katie offers suggestions that don't really go with the outfit Mia has in mind. And when Mia...

"Emma is playing ball with her brothers on an unusually warm winter afternoon. But an errant toss from her brother Matt hits her right on the nose! Luckily, it's nothing more serious than a little swelling, but it's enough to make her lose an important modeling job at The Special Day salon. Mona hires "mean girl" Olivia Allen to fill in. Olivia is thrilled, not only for the job, but also for a chance to spread some nasty rumors about Emma. Worst of...

Emma's younger brother Jake has tonsillitis and makes life difficult for Emma, while the Cupcake Club girls are spoiling him with cupcakes and little gifts.

Reaching a compromise with her parents when they say she is too young to attend a concert alone, Mia discovers that she is being cyberbullied on social media and teams up with her fellow Cupcake Club members to discover who is behind the attacks.

When Katie learns that her mother's new boyfriend is her math teacher, Jeff Green, Katie is accused of getting special treatment in class, and it's the Cupcake Club to the rescue to help Katie deal with the rumors and the changes in her life.