Millie Bobby Brown is stunning as Santa's naughtiest elf as she goes braless in her tight shorts and crop top.

In case you missed it, there’s a major red carpet trend taking over Hollywood right now and it’s showing no signs of slowing down. Despite the dropping temps, celebrities are embracing see-through everything. Everyone from Jenna Ortega to Mandy Moore has rocked the look recently, and now Millie Bobby Brown is the latest star to join in.