This girl interested in a guy like me?

i see this girl and just was like woow when i saww her smile.like in the hallways, . one time i was all by myself and her n her friend was there behind me . I was walking 2 metres ahead of em. i hear them whispering softly and giggled,,,this was in the hallway corridor...they were talking loudly with thier friends at locker...but then started whispering and giggled,,i felt so embarrased? another tim eis when cl was done i was walking towards her and her friends ...she fully goes behind her friends, while walking and like our shoulders softly n gently brush the way she did make it seem as if i was som like freak? i didn't do anything ....was it my walk? i know i didn't do anythign stupid......whats goin on? why she like went behind her friends and continued walking?