And as Lohan faces another battle in court, she's battling an even bigger one with her health. She contracted chikungunya
, a rare incurable mosquito-borne virus that causes fever, joint pain and fatigue, while vacationing in Bora Bora over the holidays. Judging by her Instagram however, she appears to still be in good spirits, jokingly crediting her Calvin Klein undies
for helping her fight off her illness.