Do you prefer lacy lingerie or a sporty bra and panties set?

August 5th is National Underwear Day, a holiday which has been observed since 2003. And in honor of this day, we're celebrating by taking a sneaky peek at 35 gorgeous tattoo models in their favorite undergarments. From lacy lingerie to sporty bra and panties sets, this models look stunning in their skivvies. Take a look at the photos in the gallery below and let us know your thoughts, opinions, and questions on this story in the comments section.