Koleen Diaz is a Filipino beauty and fashion vlogger, best known by her alias ‘Leeny.’ She publishes related content on her self-titled YouTube channel, which has gone past a million subscribers. The beautiful vlogger has emerged as a fashion icon, thanks to her numerous ‘look books’ available on her channel. Koleen is a hair expert too and publishes various kinds of hairdo tutorials on the channel. She owns a second channel, which is primarily a vlogging platform. Through the channel, she lets her fans peek into her personal space. Koleen has registered her presence on other social media platforms like Instagram and Twitter.