Article continues below advertisementKristi Noem is signing off from her White House position - and she's making sure her final message is loud and clear.On her last day as Secretary of the Department of Homeland Security, the 54-year-old, who was dubbed "ICE Barbie" for her glammed-up looks, took to X to reflect on her time in the role. Despite the sudden shake-up, she kept things positive and focused on what she called major wins during her tenure.