Tennis champion, Naomi Osaka is promoting her new signature swimwear line with Frankies Bikini.

The 23-year-old Japanese tennis player night shared images of her collaboration with the swimwear brand on Wednesday.

“Happy to say that I’ve been working on a collection and it’s coming out soon,” Naomi wrote in the caption.

Naomi in several photos modelled a hot pink bikini that matched her pink hair.

She also showed off a light blue bikini from the collection and many more.

See photos: