Britney Spears will be serving as a bridesmaid to her "bestie" who's tying the knot in Las Vegas.
And based on an Instagram post she just posted, Spears is pretty excited about it.
While on the way to participate in her friend's nuptials, Spears, 34, filmed an enthusiastic selfie video of herself and several friends in the car. Britney Spears echoed her friend's sentiments, saying: "Hi! Hello! In the desert! Here we go!...We're about to become bridesmaids!"