Wendy Cheng, better known by her pseudonym Xiaxue, is a Singaporean celebrity blogger who posts about her life, fashion and local issues. Her main blog, which attracts over 20,000 readers per day, has won prestigious blog awards and earned her sponsorship deals, as well as stints as a columnist and TV show host. However, she is a contentious figure in the Singaporean blogosphere, with some of her offensive posts sparking national controversies.

When Xiaxue was younger, she maintained a paper diary for a year, however her ex-boyfriend's new girlfriend threw the diary away during a Chinese New Year "spring clean". Wanting to air her thoughts in a space that nobody can throw away, she started blogging in April 2003. She selected her pseudonym, "Xiaxue", which means "snowing" in Mandarin Chinese, because it "had that tinge of mysterious, beautiful girl thing about it".

Xiaxue has ten blogs, including her main blog, a geeky blog, her media centre and several private blogs. On her main blog she provides updates about her personal life, posts photographs, writes about topics such as fashion, rants about issues such as "nasty taxi drivers", and posts paid advertorials about various products. She often uses profanity in her posts and her success has been attributed to her bitchy, provocative writing style. According to a survey she conducted, which attracted 6000 responses, her readers are mainly Singaporean, female, young adults, into fashion and looking for alternative voices.