The Queen of Rumors is the Formidable Foe, Bibury!

The Queen of Rumors is the Formidable Foe, Bibury! (ウワサの主は強敵ビブリー！ Uwasa no Nushi wa Kyōteki Biburī!) is the 18th episode of KiraKira☆Pretty Cure A La Mode and is the 653rd episode of the Pretty Cure franchise overall.

Summary
Curious about a lack of customers recently, the girls discover that someone is spreading bad rumors about the Kirakira Patisserie. This is revealed to be the work of Julio's ally, Bibury, who is using her doll Iru to spread brainwashing rumors claiming bad things will happen from eating their sweets. As Ichika feels down from the continued absence of any customers, she feels more depressed when she hears about a successful patissiere prodigy named Ciel Kirahoshi. The next day, Ichika is surprised to see the other girls promoting the patisserie in spite of the rumors, becoming inspired to make Giraffe Mille Crépes and hold a grand reopening. As the taste of sweets manage to overcome the rumors, Bibury, who is caught in the act by Yukari and her fanclub, has Iru steal all of the nearby kirakiraru to bring back to her master, Noir. Thankfully, the Cures manage to stop Iru before he can escape and recover the kirakiraru. As Bibury takes her leave and business for the Kirakira Patisserie returns to normal, Ciel arrives in Japan.