That’s not everyday glamour on the Yahoo! Beauty home page. But it should be:
Although some dictionaries recognize glamor, the preferred spelling is glamour. According to the American Heritage Dictionary:
Many words, such as honor, vapor, and labor, are usually spelled with an -or ending in American English but with an -our ending in British English. The preferred spelling of glamour, however, is -our, making it an exception to the usual American practice. The adjective is more often spelled glamorous in both American and British usage.