(L-R) Olivia Jade Giannulli, Lori Loughlin and Isabella Rose Giannulli attend the Women's Cancer Research Fund's An Unforgettable Evening Benefit Gala at the Beverly Wilshire Four Seasons Hotel on Feb. 28, 2019, in Beverly Hills, California.
(CNN) - Lori Loughlin's daughter Bella Giannulli broke her social media silence to wish her mother a happy birthday.
Prosecutors allege that the couple paid $500,000 to a fake charity to get their two daughters, Isabella, 20, and Olivia Jade, 19, into the University of Southern California by falsely designating them as crew team recruits.
On Sunday, their daughter Isabella posted a black and white photo with her mother on her official Instagram account.
"Happiest Birthday Lori," the caption read. "