When Emma goes for a modeling gig, Katie tags along for support, but when the agency chooses to go with Katie instead, Emma finds herself jealous.

Mia asks the girls in the Cupcake Club to be junior bridesmaids in her mother's wedding.

Moving on with her Cupcake Club friends despite lingering resentment over being ditched by her former best friend for a more popular group, Katie resolves to confront Callie and struggles to find ways to repair the friendship.

When Emma's little brother Jake looks after the neighbor's dog in preparation for getting his own puppy, the pet goes missing and Emma and the rest of the girls have to find it before the owner comes home.

Alexis Becker loves to organize and plan and set goals, which is why she is in charge of the business end of the Cupcake Club. But when she suddenly develops a major crush on Matt Taylor - who happens to be Emma's brother - things get a little disorganized.

"Lindsay Cooper is about to start middle school. In her free time, she works at her family's restaurant, The Park View, handing out the world's most delicious donuts at the Donut Dreams counter. Her grandmother started the counter as a way to send Lindsay's dad to college, and Lindsay wants to use her job the same way--to make her dream of going to school far away from her small town a reality. Home feels different ever since Lindsay's mom passed...

When the popular girls club takes interest in Mia, she has to decide between being popular and her new cupcake club friends.

Tamiko and Sierra can't stop talking about the dance coming up at their school. There's a dance coming up at Allie's school too, but it's not the same without having her two BFFs with her for support. Two friends, two dances, two schools--Allie is sandwiched in the middle everywhere! Can the girls figure out a way for all of them to feel like they are part of a crew again?

Sierra does lots of things. She's captain of the softball team, the director of the school play, and she's on Student Council, but her favorite thing to do is work at the ice cream shop with her best friends Tamiko and Allie. But when her parents decide to foster three kittens and their mama, Sierra's life gets a lot more catty! Can Sierra do it all--and maybe find homes for the cats, too?--

When Sydney moves away and is replaced by newcomer Olivia, Alexis becomes the focus of hurtful teasing by the Best Friends Club and begins to wonder if an offhand remark she made when first meeting Olivia may have been taken the wrong way.