Brooks Nader's not embarrassed by her recent wardrobe issue at Wimbledon ... in fact, she's decided to turn her viral momentum into a big-time payday -- partnering with a tampon brand in a new ad campaign.
The Sports Illustrated model shared a short clip on Instagram Wednesday in collaboration with U by Kotex -- the company that makes a ton of menstrual products for women -- saying she's getting ready for a major award show ... and, she wants to be sure to avoid any fashion faux pas.