Jennifer Lopez certainly loves to experiment with fashion trends, but if you look closely, her style has actually stayed remarkably consistent over the years. I just wrote a story on the trends J.Lo has been bringing back every summer since the '90s, and you might be surprised to see how she still relies on the same wardrobe classics decade after decade.

This also rings true when it comes to her swimwear, as she just shared an Instagram post wearing the most timeless swimsuit trend out there: a black triangle string bikini. Just think of it as the LBD of swimwear: you simply can't go wrong with it. Lopez's post has already racked up nearly four million likes and 44,000 comments—significantly more than her other recent posts. Scroll down to shop Jennifer Lopez's exact swimsuit as well as other options to get the look. 

On Jennifer Lopez: Vix Lucy Triangle Top ($126) and Lucy Tie Side Bottoms ($110)

Shop J.Lo's Exact Swimsuit

With Lopez's stamp of approval, this cute bikini is sure to sell out. 

Don't forget the matching bottoms. 

Shop Other Black Triangle String Bikinis

This $15 price tag is seriously tempting. 

Don't overlook H&M's excellent swimsuit selection this summer. 

I love a good string bikini. 

This strappy top is very on-trend. 

Another fantastically priced option to consider. 

Yep, Good American makes a mean bikini. 

This swimsuit is so cute and timeless. 

I love this cross-strap back. 

If you're feeling brave, why not go for Brazilian bikini bottoms? 

This swimsuit couldn't be more on-trend. 

This is the perfect combination of classic and current. 

I adore this rope detail. 

A fun pop of color is always a good idea. 

Next, J.Lo has been bringing back these four trends every summer since the '90s.