Paris Jackson performed at an LA charity concert over the weekend and had one very special fan in the audience cheering her on. Katherine Jackson, matriarch of the Jackson clan, was in attendance while granddaughter Paris crooned to raise money to fight cancer. And, according to Paris, the 88-year-old was impressed, writes eonline. "I can't believe my grandma made it to our second live show ever," Paris wrote on Instagram along with a picture of her posing with grandma. "And she actually liked it!?!!! i was sh------ my pants. i love you so much grandma." Per TMZ, the family reunion was notable because Katherine Jackson is hardly seen in public these days and has reportedly not seen her grandchildren in some time. (More Paris Jackson stories.)