In September, Julia Louis-Dreyfus announced on Twitter and Instagram, "One in eight women get breast cancer. Today it's me."
She's been going through treatment and updating fans in her typically hilarious way with a photo of her "Christmas cocktail" while under going a blood transfusion just days before Christmas.
And friends and fans have been sending her messages of hope and inspiration. But the best one to date, is the video her sons made to tell cancer to "Beat It," in a lipsync of the famous Michael Jackson song. Check it out!