Ashton Kutcher and Mila Kunis' kids are showing their gratitude! The couple's two children — Wyatt, 5, and Dimitri, 3 — were featured in Kutcher's latest Instagram post about those working during the coronavirus pandemic.In the sweet pic, the kids held up a sign over their faces, which read, «Thank you for all you're doing.»In the caption of the post, Kutcher explained that his two children wanted to thank those «on the front lines» amid the current health crisis.«Medical workers, delivery folks, grocery store employees, people with kind hearts and generous spirits, and every person that has no choice but to go to work right now,» Kutcher wrote. «Together we got this!❤️»To every one on the front lines.