Most Popular UI Design Styles

#1 / MOST POPULAR UI DESIGN STYLES.

‪#‎Skeuomorphic‬ ‪#‎Flat‬ ‪#‎LongShadow‬ ‪#‎io7‬ ‪#‎PixelArt‬ ‪#‎Windows95‬
What's your favorite style of design ? and why ?