Bar Refaeli Playing Tennis In Her Underwear [VIDEO]

I am in touch with my model knowledge, and I am proud of that. One of my favorites right now is Israeli model Bar Refaeli. If you don't know who she is, shame on you, but  am here for you my friend! 

Refaeli recently launched her own clothing line called under.me, an underwear line for both men and women, but that isn’t the story here. What caught our attention is this video promoting the line featuring Refaeli playing tennis in nothing but, well, underwear: