Mia's Boiling Point (Book #10 of Cupcake Diaries) By Coco Simon
The Cupcake Club questions its loyalties when Mia makes friends with a mean girl in disguise. Theres a new girl in town, and Mia tries to take her under her wing. But Olivia Allen is not so nice; as a matter of fact, she might be even meaner than Sydney Whitman! Mias been saving for weeks to buy a new pair of shoes, but when Olivia asks to borrow money, Mia gives it to heronly to find out Olivia spends the cash on the exact same shoes Mia has been saving up for! Plus she makes fun of the other Cupcake girls and tells Mia she shouldnt be friends with them. Will Mia see Olivias true colors before she wreaks havoc on the Cupcake Club?