A mother says she felt embarrassed and discriminated against after being told to leave Tauranga's Bayfair Mall for wearing a bikini top

Rotorua woman Gemma-Elaine Duggan was at the beach with her family when she lost her singlet and decided to head to the mall to purchase a top.

But after briefly walking around the mall, she says security guard told her she had to leave the mall because she was wearing a bikini top.

Bayfair has so far not responded to requests for comment.

In a separate incident, staff thought to be from Bayfair also approached two teenagers who tried to enter Kmart in the Bayfair shopping centre wearing a bikini top and shorts.