Beyonce shared a series of touching snaps of daughter Blue Ivy helping her prepare for her concert. (Instagram)
Beyonce also shared a close up of Blue Ivy's little fist as she clutches her very own microphone, adorned with Dora The Explorer stickers. (Instagram)
A second picture shows the Halo hitmaker striding across a staging area. (Instagram)
Mariah Carey and her son Moroccan, who appeared thrilled with his trip to the Bronx Zoo. (Instagram)
Mariah smiled as daughter Monroe tried out a giant pair of animal ears. (Instagram)
Mariah Carey has treated her children to a day at the zoo. (Instagram)