If a girl stretches in front of you, is she trying to make a point?

I was at this party and this girl blatantly stretched (the reaching the sky kind of stretch) herself right infront of me. I looked down up and she smiled when we locked eyes while she stretched, and I returned a smirk kind of smile. She has a nice bust, so it just caught my attention, but im sure she saw me checking her out from down up. Any sign to this? wouldn't this creep her out? I consider myself decent looking, and prior to this she always asked if I found a certain "celebrity" pretty/hot... Is she interested in me or what? Why stretch so obviously in front of me?
If a girl stretches in front of you, is she trying to make a point?
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