Todd & Julie Chrisley Haven't Spoken Since Entering Prison

Savannah Chrisley is in back-to-school mode.

The 25-year-old shared photos of her niece Chloe "Coco" Chrisley in honor of her first day at her new school. Savannah had obtained custody of the 10-year-old and her 17-year-old brother Grayson amid her parents Todd Chrisley and Julie Chrisley's federal prison sentences for tax fraud and other charges in January.

"Our sweet Coco is off to 5th grade!!" Savannah wrote on Instagram Aug. 9, alongside photos of herself and Chloe standing in front of a locker, as well as another pic of the little girl posing in a garden in her school uniform. "My…