"Twins," Kaley Cuoco wrote, while Isla Fisher added, "So thankful for you."
The American actor and her ex-husband, David Arquette, welcomed their daughter in 2004 and have been co-parenting the teenager, since their split in 2012, reported US Weekly.
"We have always just made [Coco] the No. 1 priority", the former partners said.
"We have respect and love for each other and just [are] on the same page. And [with] Coco, we're just super lucky. As far as teenagers go, it's a bit tricky, but she's got a huge heart and she's really, really a brilliant girl," they added.
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