A model is making waves at Miami Swim Week with her everyday “accessory.”

Mara Martin hit the 2018 Sports Illustrated Swim Search runway show Sunday night — all while breastfeeding her five-month-old daughter.

The new mom strutted down the catwalk in a one-shoulder, gold bikini as she nursed her baby, who wore noise-canceling headphones, a green bikini of her own and a diaper.

“I can’t believe I am waking up to headlines with me and my daughter in them for doing something I do every day,” Martin later wrote on Instagram.

The audience cheered the mother and daughter duo on along the way.

Martin says she was chosen as one of the 16 finalists for the fashion show at W South Beach.

“Im…