You know that day when you're just feeling totally confident, your outfit is on point, and your hair stays perfectly styled for hours? That is what you'd call a Beyonce moment. The fierce singer, who is celebrating her birthday today, has become synonymous with having flawless fashions and powerful stage presence, so it's no wonder that stars like Ariana Grande, [Iggy Azalea](http://www.twistmagazine.com/tags/iggy-azalea-18276, and Fifth Harmony have all channeled their inner-Beyonces with their fashionable looks.
Click through the gallery above to see which stars have had total Beyonce moments! Then, wish Bey a Happy Bey-day in the comments section below.