According to Urban Dictionary:
Jamaican slang that has been adopted by some African American rappers and inserted into popular culture. The term "Bling Bling" refers to the imaginary "sound" that is produced from light reflected by a diamond. See The Silvertones "Bling Bling Christmas" for the earliest known usage of the slang.
According to the WWW:
2. Blinging Beauty
Brown Beauty that Sparkles. Expert, professional and accurate beauty reviews, news, tips and advice. E-zine for black, brown and tan skin—all women of color.
Founded by Tracey Brown, beauty expert and 30 year beauty industry veteran.