Supermodel Bar Refaeli looked like she picked up some tennis tips from Rafael Nadal in this new ad for under.me ... which is apparently a clothing line.
A comfortable one, it looks like.
The Israeli beauty is featured playing tennis in her under.me underwear, and her groundstrokes, volleys and footwork look stronger than you'd expect.
What, you're not looking at her mechanics? Our bad. What about her Nadal-esque wedgie adjustment? Somehow it's hotter when she does it ...